Question and answer-XuZhou Ruili new material Co.,Ltd

Ceramicizable composite fireproof paper tape

The core feature of this type of product is that it has the flexibility and electrical insulation of ordinary tape at room temperature. When exposed to high temperature flames, its coating will sinter into a hard ceramic like protective layer, effectively blocking flames and heat, and playing a role in fire and fire resistance.The following is the key information compiled for you based on a typical product (model: FRT-0002B) using Cybrid technology:Key technical parameters of the productTypical project values/description notes/standardsProduct structure: Fiberglass fireproof cloth substrate+ceramicizable organic silicon coating+high adhesion adhesive filmFireproof layer thickness 0.20-0.22 mmThe thickness of the adhesive film layer is 0.045 mmPeel strength ≥ 5.0 N/cm GBT 2792-2014Tensile strength ≥ 3.5 MPa (MD direction) ASTM D-3759Dielectric strength ≥ 20 kV/mm ASTM D149Volume resistance ≥ 1 × 10 ^ 14 Ω. m GB/T 1410-2006Thermal conductivity<0.5 W/(m.K) has good insulation propertiesCore Features and ApplicationsCore Features:Porcelain formed by fire: It can form a hard ceramic protective layer at high temperatures and has excellent fire chanical and electrical performance: It has superior mechanical strength, flexibility, and electrical insulation at room temperature.Convenient construction: The bottom adhesive film has good adhesion and can be easily attached to various substrate surfaces.Environmental adaptability: Non hygroscopic, non absorbent, easy to store.Typical applications:Mainly used in the automotive industry for components such as copper and aluminum sheets that require fire and heat insulation.Summary and TipsAlthough you mentioned "paper tape", currently in the field of high-end fire and fire resistance applications, ceramic composite tape based on inorganic fibers such as fiberglass cloth is the more mainstream technical solution. The FRT-0002B from Saiwu Technology is a typical representative of this type of product

Flame-retardant PET double-sided tape

Flame retardant PET double-sided tape is a special industrial tape designed specifically for fields with strict fire safety requirements such as electric vehicle batteries and electronic products. It is usually made of PET polyester film as the substrate and coated with flame retardant acrylic adhesive on both sides. While it has excellent bonding performance, the key is to meet the flame retardant level requirements of international standards such as UL94.🔥 Core FeaturesIts main features can be summarized into the following three points:Excellent flame retardant safety: The tape itself is not easy to burn or extinguish immediately upon ignition. The mainstream flame retardant rating is UL 94 VTM-0, which is a common high standard requirement for the flame retardant performance of thin materials in the industry.Reliable physical properties: With PET as the base material, the tape has good dimensional stability, high temperature resistance (long-term temperature resistance can reach 120-125 ℃) and aging resistance, and is easy to die cut.Environmental compliance: Most high-quality flame-retardant PET double-sided tapes on the market do not contain halogens and comply with environmental regulations such as RoHS and REACH.🛠️ Representative products and applicationsDifferent brands of flame retardant PET double-sided tape have different emphasis on thickness and adhesion to adapt to different application scenarios. Here are two tesa products and one domestic brand product as examples to help you understand more intuitively:Product model, total thickness, flame retardant rating, key characteristics, and application scenariostesa ® 58372 50 µ m UL 94 VTM-0 power battery specific: mainly used in the assembly of electric vehicle batteries, with flame-retardant foam that adheres to sealing and buffering. Strong adhesive strength, with a final bonding strength of 8.5 N/cm to steel.tesa ® 88651 50 µ m UL 94 VTM-0 Universal Industrial Fixing: Suitable for fixing components with flame retardant requirements in energy storage equipment, electrical equipment, and transportation vehicles (such as trains). It also has good adhesion to materials with low surface energy, such as PP plastic.Tiansheng 50050FR 50 µ m VTM-0 power battery adhesive: the corresponding product of domestic manufacturers, with parameters similar to Desha's 50 µ m product, suitable for the field of power batteries.💡 How to choose and verifyWhen making a purchase, you can focus on the following three points:Clarify flame retardant standards: Confirm whether the product provides UL 94 VTM-0 or other flame retardant rating test reports as required, which is the most essential safety certification.Matching application requirements: A thickness of around 50 μ m is a common choice, balancing thinness and performance. At the same time, it is necessary to examine whether the adhesive strength of the tape to specific bonding materials (such as aluminum, ABS plastic, foam, etc.) is sufficient.Pay attention to environmental compliance: For export products or enterprises with strict environmental requirements, it is necessary to confirm whether the tape does not contain halogens and complies with the RoHS directive.

Finger tape

Golden finger high-temperature tape "is a very specific and commonly used term in the fields of electronics and electrical engineering. It usually refers to high-temperature insulation tape based on polyimide film.Below is a detailed analysis of the origin, characteristics, applications, and selection considerations of this name.1、 Why is it called 'Golden Finger'?This common name comes from its most classic and iconic appearance:Substrate: The polyimide film itself has an amber color (light brown yellow) and a golden luster when exposed to light.Adhesive: Early high-performance silicone pressure-sensitive adhesives were also light yellow in bination effect: After combining the two, the tape presents a unique "golden" overall appearance, hence the name "Golden Finger Tape".Important notice: Not all "golden" tapes are gold finger tapes, nor are all gold finger tapes gold. Nowadays, there are other colors such as black and white, but "golden fingers" have become synonymous with polyimide high-temperature tape.2、 Core features (why it is highly regarded)Polyimide (PI) material endows it with unparalleled comprehensive performance:Ultimate high temperature resistance:Long term temperature resistance: -269 ℃ to+260 ℃.Short term temperature resistance: can withstand high temperatures up to 400 ℃ without melting or dripping (only carbonization). This is its most core advantage.Excellent electrical insulation:High dielectric strength can effectively prevent breakdown under high voltage, making it an excellent insulation material.Excellent flame retardancy:It is not flammable and meets the UL94 V-0 rating. It will self extinguish after the evacuation of an open flame and does not support combustion.Excellent chemical stability:Resistant to most solvents, oils, and acids, especially to corrosion from battery electrolytes.Good mechanical performance:High tensile strength, tear resistance, and excellent dimensional stability (with minimal shrinkage at high temperatures).Environmentally friendly and non-toxic:No toxic substances will be released at high temperatures.3、 Main application scenariosDue to its excellent performance, "Golden Finger Tape" is widely used in fields with strict requirements for temperature resistance and insulation:1. Battery field (core applications):Cell ear insulation: Wrap aluminum/copper ears to prevent short circuits with the casing or other components. This is the most classic application.External insulation of battery cells: wrapped around square or cylindrical battery cells to provide insulation protection.Module/Pack interior: used for fixing wiring harnesses, insulation protection, thermal insulation, etc. in high-temperature areas.2. Electronic product manufacturing:PCB board: shielding protection during wave soldering and reflow soldering processes (protecting gold fingers and specific areas from soldering).Coil and transformer: interlayer insulation, bundling and fixing.Heating elements: insulation and fixation of resistors and MOS transistors.3. Other industrial sectors:Aerospace cable insulation.High temperature spray painting and powder coating masking.High temperature processes in semiconductor and liquid crystal manufacturing.4、 Selecting key points (how to choose the appropriate model)Even though they are all called "golden finger tape", there are significant differences in performance among different models, mainly based on the following points:Adhesive type (most critical):Organic silicon pressure-sensitive adhesive: the most commonly used. The highest temperature resistance (up to 300 ℃), good chemical stability, but relatively low initial adhesion, and some models have the risk of silicone oil migration (which may affect precision circuits).Acrylic pressure-sensitive adhesive: It has stronger initial adhesion and holding strength, and has good adhesion to various substrates. However, its long-term temperature resistance usually does not exceed 130-150 ℃, and its chemical resistance (especially to electrolytes) may be slightly poor.Selection: In the field of batteries, it is necessary to use organic silicone gel systems that are resistant to electrolytes.ThicknessCommon thicknesses include 25 μ m (1mil), 50 μ m (2mil), 75 μ m (3mil), etc.The thinner, the better the flexibility, suitable for fine wrapping such as extreme ears; The thicker it is, the better its mechanical strength and insulation properties, making it suitable for wear resistance or situations that require structural strength.Color and functionality:Amber (gold): the most versatile.Black: Usually added with carbon black, it has a certain conductivity (single-sided or double-sided conductivity) and is used for electromagnetic shielding (EMI).White: commonly used in LED or high reflectivity applications.Green/Other Colors: Easy to distinguish and manage products.Certification and Reliability:Check if it has passed UL certification (such as UL 746C, UL 510), RoHS, REACH, etc.For battery applications, suppliers should be able to provide long-term electrolyte immersion test data.5、 Famous brand reference3M: Industry benchmark, with the most comprehensive product line, such as 3M ™ 92、3M ™ 1205、3M ™ Series 5413 and others.Nitto (Nitto Denko): High quality representatives, such as the No. 350 and No. 5600 series.Tesa: With excellent performance, it is widely used in the field of batteries.Sekisui (Water Chemistry): Focusing on polymer materials, our products are reliable.Saint Gobain: Strong in the field of industrial specialty tape.Domestic brands such as Jinghua and Riju also have corresponding products with high cost-effectiveness, but strict performance verification is required when choosing.Summary and RecommendationsGolden finger high-temperature tape "specifically refers to polyimide (PI) high-temperature insulation tape, which is an indispensable high-performance material in battery and electronic manufacturing.When making a purchase, please be sure to clarify:Usage: Is it used for battery terminals, PCB shielding, or other purposes?Temperature resistance requirement: What is the long-term working temperature? Is there an instant high temperature?Environmental media: Will it come into contact with electrolytes or solvents?Adhesive substrate: Is it attached to aluminum, copper, plastic, or glass?Process requirements: Is it manual pasting or machine automatic pasting? Do you have any special requirements for initial adhesion and thickness?Suggest requesting detailed Technical Data Sheets (TDS) from the supplier and conducting small batch testing to ensure full compliance with your application requirements.

Masking tape

Meiwen paper tape is a very important and unique member of the tape family, with the core characteristics of easy tearing, easy peeling, and no residue left.1. Core Definition and CompositionMeiwen paper tape is a type of pressure-sensitive tape, mainly composed of two parts:1. This is a specially treated wrinkled paper that is soft, elastic, easy to tear, and has good tensile strength and solvent penetration resistance.2. Adhesive: A type of pressure-sensitive adhesive with moderate viscosity. Its viscosity is precisely designed to ensure firm adhesion during construction, as well as easy and clean peeling after a specific time without leaving adhesive marks on the surface of the object being pasted.2. Core Features and AdvantagesEasy to tear: No need for scissors, it can be easily torn off with just one pull, making it extremely convenient to use.Easy to peel off: Within the set time range (such as after painting), the entire strip can be easily peeled off.No residual glue : The most critical characteristic. After removing the high-quality tape, the protected surface remains clean and free of any sticky residue.Temperature resistance: This is an important indicator for distinguishing the grade of masking tape. According to different adhesive and paper processing techniques, there are different temperature resistance ranges.Good flexibility: able to fit curves and irregular surfaces well.3. Main purpose (core function: shielding protection)The core function of masking tape is to apply tape to the surface that needs protection, preventing subsequent operations such as painting, brushing, and dust from contaminating the area.1. The most classic application: spray painting and coatingCar painting/repair: Covering car lights, windows, chrome strips, etc. that do not require painting.Furniture and wooden painting: Create clear geometric color blocks or protect completed areas.Building wall painting: When painting walls of different colors, create straight dividing lines.Industrial product spraying: protects specific parts of the product, such as threads, nameplates, and interfaces.2. Electronic electrician**Protect gold fingers, sockets, and other areas during wave soldering or circuit board spraying.Temporarily fix wires or components.3. Daily DIY and HandicraftsAs a low viscosity temporary fixing tape, it is used for positioning paper and lightweight materials.Collaborate with other adhesive tapes for creative handcrafting.4. Key selection indicatorsWhen choosing masking tape, it is important to pay attention to the following points:1. Temperature resistance level (crucial!)Low temperature type: resistant to temperatures of about 60 ° C-80 ° C. Suitable for room temperature self drying paint, latex paint, etc. The most common and inexpensive.*Medium temperature type: resistant to temperatures ranging from approximately 80 ° C to 120 ° C. Suitable for most baking paints and automotive repair paints.High temperature type: resistant to temperatures ranging from approximately 120 ° C to 200 ° C. Suitable for harsh environments such as high-temperature paint baking rooms and powder coating. **If low-temperature tape is used to apply to high-temperature environments, the tape will carbonize and crack, making it extremely difficult to clean and causing serious losses. **2. Viscosity gradeLow viscosity: friendly to fragile surfaces (such as newly painted walls and wallpapers). Medium viscosity : The most versatile and suitable for most metal, wood, and glass surfaces.High viscosity: Used for rough or uneven surfaces to ensure edge sealing.3. Substrate color and thicknessCommon colors include * * natural color (light yellow/beige) * and blue *. Blue is more common and more prominent on complex workpieces, making it easier to identify and remove.Thickness affects the sealing and anti-seepage ability of the edges, and professional fields will choose thicker and denser tape based on the type of paint (such as paint with strong fluidity).4. Brand and QualityAlthough tapes from well-known brands such as 3M, Desha, Nitto, and Sikapa are more expensive, they have absolute guarantees in terms of temperature resistance accuracy, adhesive stability, and no residual adhesive, which can avoid rework and losses caused by tape quality issues.5. Usage tips and precautionsSurface Cleaning: Before pasting, ensure that the surface to be pasted is dry, clean, and free of oil stains. Otherwise, it will affect the adhesion and may cause paint leakage or edge curling.Press the edge : After applying, be sure to use your fingers or scraper to firmly press the edge of the tape * *, especially at curves and corners, to prevent paint from seeping in.Tear off in a timely manner : must be removed before the paint is completely dry! **Follow the principle of "tearing off the paint surface after it dries". If the paint is completely cured (a few days later), the edge of the tape may be pulled up along with the paint film or become difficult to tear.Tear off angle: Tear back gently and uniformly at a 45 degree or 180 degree angle to obtain the cleanest edge and reduce the risk of damaging the paint surface. Testing : Test in inconspicuous places or on waste materials of the same material to confirm adhesion and tear off effect. SummaryMeiwen paper tape is the 'unsung hero' of precision masking operations. **Its value lies not in how firmly it sticks, but in the ability to leave cleanly after completing the task. Correctly selecting the temperature resistance level and viscosity, and mastering the usage skills, are the key to obtaining perfect coating and protection effects. For important projects, investing in a high-quality professional tape is definitely a wise move.

Flame retardant aluminum foil fiberglass cloth tape

Flame retardant aluminum foil glass fiber cloth tape is a composite tape made of aluminum foil and glass fiber cloth as substrates, coated with flame retardant adhesive. It combines the high reflectivity of metal aluminum foil, the mechanical strength of fiberglass cloth, and the adhesive properties of the adhesive, while possessing the core characteristics of fire resistance and flame retardancy.Core technical parametersThe parameters of different manufacturers and models may vary, and the following are common technical indicators:Common project standards/numerical notesThe total thickness is 140-190 μ m (0.14-0.19 mm), and different thicknesses can be selected according to application requirementsThe common thickness of aluminum foil is 0.007 mm, and there are also specifications such as 18 micronsFiberglass cloth specification density: 12 × 14 or 14 × 14 (unit: roots/inch) affects the overall strength of the tapeAdhesive type: Flame retardant acrylic adhesive provides adhesive strength and meets flame retardant requirementsPeel strength (180 °) ≥ 0.55 KN/m tested according to GB/T 2792 standardAdhesive strength ≥ 24 hours, tested according to GB/T 4851 standardThe applicable temperature range is -20 ℃ to 70 ℃. This is the working range of the adhesive, and there are differences among different brandsMain application areasDue to its excellent comprehensive performance, this tape is widely used in insulation, fire prevention, and sealing scenarios in multiple industries:HVAC and Architecture: Used for sealing and repairing joints in air conditioning ventilation ducts and insulation layers.Industrial pipelines: used for protective wrapping and external insulation of petroleum, chemical, and steam pipelines.Transportation: Used for insulation, noise reduction, and fire prevention in car, train, ship carriages or cabins.Special equipment: applied in fields such as high-speed trains and bullet trains that have strict requirements for fire protection levels.Electronics industry: used for electromagnetic interference (EMI) shielding of electronic devices.Packaging protection: Packaging materials that are moisture-proof, mold proof, fireproof, and anti-corrosion for export equipment

High temperature resistant glass cloth tape

High temperature resistant glass cloth tape "is a high-performance tape commonly used in industrial fields, especially in electronics, electrical, aerospace, automotive manufacturing, and high-temperature environment operations. Below, we will provide a detailed introduction to its characteristics, applications, and selection considerations.1、 Main featuresExcellent high temperature resistance: This is its core characteristic. Usually divided into several levels:Basic level: Can withstand temperatures of 150 ° C-180 ° C for a long time (such as silicone pressure-sensitive adhesive based products).High performance level: using acrylic pressure-sensitive adhesive or modified organic silicone, with a temperature resistance of up to 200 ° C-260 ° C.Top/Special Grade: Using solvent-free silicone or special treatment, it can withstand high temperatures above 300 ° C in the short term (such as welding shielding).High strength and wear resistance: The substrate is glass fiber cloth, which has excellent tear resistance, tensile strength, and mechanical protection ability.Excellent insulation: Glass fiber cloth itself is a good insulation material, making it an ideal choice for electrical insulation and binding.Chemical corrosion resistance: It has a certain resistance to most solvents, oils, and acids and bases.Flame retardancy: It usually has self extinguishing or flame retardant properties and meets relevant safety standards.Adhesive type: determines its final anic silicon pressure-sensitive adhesive: the most common type, with good high temperature resistance and smooth adhesion, but the initial adhesion may be slightly weak.Acrylic pressure-sensitive adhesive: Strong initial adhesion and holding strength, excellent temperature resistance and chemical resistance, making it a high-performance choice.Rubber based pressure-sensitive adhesive: Low cost, but relatively poor temperature and aging resistance.2、 Main application areasElectrical and Electronic Industry:Manufacturing of motors/transformers: coil binding, insulation fixation, magnetic core protection.PCB: shielding protection during wave soldering and reflow soldering processes.Wire harness bundling and protection: Secure cables near high heat sources.Aerospace and Automotive:Insulation, bundling, and protection of wiring harnesses and pipelines inside the engine compartment.Shielding and spraying of high-temperature components.Auxiliary fixation during the molding process of composite materials.Industrial manufacturing and maintenance:Pipeline wrapping: protection outside the insulation layer of steam and heat pipelines.High temperature sandblasting and spray masking.Equipment insulation gasket and sealing gasket (suitable adhesive type should be selected).Other auxiliary materials for processes such as high-temperature baking, heat sealing, and plastic welding.3、 Parameters to pay attention to when choosing (purchasing guide)When purchasing, please refer to the following key parameters in the product specifications based on your specific needs:Maximum operating temperature/temperature resistance level: This is the most important parameter. Ensure that it can withstand long-term operating temperatures in your application environment, not just instantaneous high temperatures.Substrate thickness and weight: affect mechanical strength, flexibility, and final thickness.Adhesive type: As mentioned earlier, choose based on temperature, initial adhesion, and chemical resistance requirements.Adhesive strength: The adhesive strength to different surfaces such as stainless steel, aluminum, plastic, and glass.Dielectric strength: crucial for electrical insulation applications.Color: Commonly available are white, black, single-sided or double-sided adhesive coating. Colors sometimes represent different temperature resistance levels or adhesive types.Certification: Is there UL certification, RoHS, REACH, etc., especially in industries with export or strict requirements.4、 Common brands and product lines in the market3M: Industry leader with a very complete product line, such as 3M 27 series (acrylic adhesive, high performance), 3M 69 series (organic silicone, high flexibility), etc.Nitto Denko: Also of excellent quality, such as the No. 703, No. 747 series.Desha: Provides multiple high-performance options.Four dimensional: a well-known domestic brand with high cost-effectiveness and a wide variety of products.Other domestic/Taiwanese brands, such as Jinghua, Wande, Yongda, etc., can meet most of the regular needs.5、 Usage tipsSurface cleaning: Before pasting, ensure that the veneer is clean, dry, and free of oil stains to achieve the best bonding effect.Appropriate pressing: Apply appropriate pressure after pasting to ensure that the tape is in full contact with the adhered surface.Temperature resistance and time: Pay attention to whether the product's nominal temperature resistance is "long-term" or "short-term". Long term use at extreme temperatures will accelerate the aging of the adhesive layer.Unwinding method: For some high adhesive tapes, it is recommended to unwind them flat to avoid tearing the backing material vertically.Storage: Store in a cool and dry place, away from direct sunlight.summaryHigh temperature resistant glass cloth tape is a multifunctional industrial tape made of glass fiber cloth as the substrate and coated with high temperature resistant pressure-sensitive adhesive (such as silicone or acrylic adhesive). When choosing, the first thing to clarify is your maximum working temperature, required strength (thickness), and application environment (whether strong insulation, chemical resistance, etc. are needed), and then screen against product parameters.

Glass cloth high-temperature resistant tape for shielding and protection

The "glass cloth high-temperature resistant tape used for shielding and protection" you mentioned is a very professional and common industrial application. This usually refers to the use of high-temperature resistant adhesive tape with glass cloth substrate to protect areas that do not require treatment in processes such as high-temperature spraying, sandblasting, welding, heat treatment, or powder coating.Below, I will explain in detail the characteristics, selection points, usage methods, and common applications of this tape.The core characteristics of glass cloth high-temperature resistant tapeSubstrate: Made of fiberglass cloth, it has extremely high strength, wear resistance, and tear resistance, and is not easily deformed.Adhesive: Silicone pressure-sensitive adhesive is usually used. The characteristics of silicone adhesive are:High temperature resistance: The long-term temperature resistance range is usually between 200 ° C and 260 ° C, and it can withstand higher temperatures in a short period of time (such as above 300 ° C).Chemical resistance: able to resist the erosion of most solvents, oils, and chemicals.No residue: When removed after high-temperature operation, there is usually no residue left to avoid contaminating the protected surface.Function: Provides excellent shielding protection, insulation, bundling, and sealing performance.Key points for selection (how to choose the appropriate tape)Temperature and Time: Clarify the maximum temperature and duration of the manufacturing process. The nominal temperature resistance value of the selected tape should be higher than the actual maximum temperature and leave a margin.Adhesive strength:Medium viscosity: most commonly used. Provide sufficient adhesion, relatively easy to remove without leaving any residue. Suitable for most spray and sandblasting protections.High viscosity: Used for rough surfaces or situations that require extremely strong fixing force (such as heavy bundling), but more care should be taken when removing.Thickness and Coating:Single sided adhesive coating: the most common, used for shielding and protecting flat surfaces.Double sided adhesive coating: used for fixing, splicing, or occasions where double-sided bonding is required.Thickened type: Provides better cushioning and sealing performance, suitable for irregular surfaces or situations that require tighter edge sealing.Color: Commonly available are white, black, and natural color (light yellow). White is easy to mark and identify; Black is sometimes used for dirt resistance or specific appearance requirements.Width and length: Choose appropriate specifications based on the size and shape of the shaded area to improve work efficiency.Correct usage methods and stepsSurface preparation:Ensure that the protected surface is clean, dry, free of oil stains and dust. Can be wiped with a solvent (such as IPA) to maximize the adhesion of the tape.Paste operation:On a flat surface, stick the tape straight to avoid wrinkling or creating bubbles.For curved surfaces or corners, the tape can be cut into a suitable shape first, and then pressed firmly, especially at the edges, to ensure a tight fit and prevent the medium from seeping in.For multi-layer or complex areas, overlapping pasting can be used, and the recommended overlapping area is 1-2 centimeters.Removal timing:The best time is to remove the workpiece when it has cooled to room temperature or slightly residual temperature. At this point, the tape still maintains a certain degree of flexibility, is easy to peel off, and has the lowest risk of residue.Avoid forcibly tearing the tape when it is in an extremely high temperature state to prevent it from breaking.Removal technique:Slowly and evenly pull at a 180 degree angle (parallel to the surface) to avoid pulling forcefully at a 90 degree angle, which may damage the surface or cause the tape to break.Main application scenariosHigh temperature spraying/painting:Protect threaded holes, precision machined surfaces, sealing surfaces, etc. during high-temperature baking of automotive and aerospace components.Sandblasting/Shot Blasting:Protect the precision area of the workpiece from abrasive impact damage.Welding protection:Cover the area near the weld seam to prevent welding spatter from adhering and protect the surface smoothness of materials such as stainless steel.Powder coating:Endure high temperatures in the curing oven to protect areas such as threads and contact points that do not require spraying.Electroplating/anodizing:Protect the local area and prevent contact with the solution.Electronic and Electrical:Used for bundling and fixing transformer and motor coils, with both insulation and temperature resistance mon Brands and PrecautionsBrand: Internationally renowned brands such as 3M (such as 3M 69 series), Saint Gobain, and Nitto Denko have very mature product lines. There are also many high-quality brands to choose from domestically.Notes:Test first: For new or particularly valuable workpieces, it is recommended to conduct tests in small areas or inconspicuous places to confirm adhesion, temperature resistance, and no residual adhesive performance.Storage: Store in a cool, dry, and dark environment.Safety: Fiberglass may have slight irritation, gloves are recommended during operation. The removed tape should be properly disposed of as industrial waste.In summary, glass cloth high-temperature resistant tape is an indispensable shielding and protective material in high-temperature industrial environments. The key to success lies in selecting the product specifications according to the process conditions and strictly following the correct surface treatment and bonding methods for operation.

Die casting demolding anti scratch and high temperature protection PTFE tape

PTFE tape is indeed a fairly mature industrial solution for the challenges you encounter in demolding, workpiece scratches, and high-temperature environments during die-casting processes.It essentially combines the non stick properties of polytetrafluoroethylene (PTFE) with the convenience of adhesive tape, forming a smooth and high-temperature resistant "physical barrier" directly on the surface of the mold.🔑 Core Performance: Why is it capable?The reason why it is suitable for die-casting demolding mainly depends on the following performance:Excellent high temperature resistance: This is a basic requirement. High quality PTFE tape can be continuously used in the temperature range of -70 ℃ to+260 ℃, and some products can withstand high temperatures of up to 300 ℃ in the short term, which can stably cope with the high heat environment during the die-casting process.Smooth and extremely low friction coefficient: Its surface is very smooth and almost does not adhere to any substances (such as molten plastic, resin, etc.), ensuring smooth demolding of castings and effectively avoiding scratches.Excellent mechanical strength and durability:Scratch resistant: Teflon itself has a certain degree of hardness and wear resistance, but the mechanical strength of the tape depends more on its substrate.For die-casting scenarios, it is recommended to choose reinforced adhesive tape based on glass fiber (commonly known as "fiberglass cloth base"), which has high tensile strength and can better resist the impact of molten metal flow and the wear of mold closure, thereby achieving reusability and reducing maintenance costs.Widely resistant to chemical corrosion: It is almost not corroded by any strong acid, strong alkali, or organic solvent, and can adapt to various release agents or oil stains that may exist in the die-casting environment.Cleanliness and residue free: After high-quality silicone pressure-sensitive adhesive is peeled off at high temperatures, the back of the tape will not leave stubborn residue on the surface of the mold being bonded, which helps to keep the mold clean.High insulation performance: Teflon tape also has excellent electrical insulation performance, with some models having a breakdown voltage of up to 25KV, providing additional protection in scenarios that require electrical isolationSelection and usage suggestionsTo select the most suitable adhesive tape for your die-casting process, you can focus on the following aspects:Clear usage requirementsTemperature and pressure: Confirm the working temperature and pressure that the mold is subjected to.Wear resistance requirements: Based on the mold structure and working conditions, evaluate the requirements for the wear resistance of the tape, and decide whether to choose pure PTFE film (with good flexibility, suitable for complex surfaces) or fiberglass cloth based reinforced type (with high strength and more wear resistance).Thickness and size: Select the appropriate thickness (such as 0.08mm, 0.13mm, 0.25mm, etc.) based on the precision requirements of the mold, and confirm whether a specific width or customized shape is needed.Focus on key parametersMaximum operating temperature: Ensure that the upper temperature limit of the tape is higher than your process temperature.Tensile strength: This is particularly important for fiberglass cloth tape, as it directly affects its durability.Adhesive strength: The peeling force on steel is one of the key indicators, for example, 3M 5498 has a peeling force of about 22-48N/100mm on steel.Thickness range: The thicker the thickness, the better the strength and durability.Proper installation and maintenanceThoroughly clean: Before pasting, be sure to thoroughly clean the surface of the mold with a suitable solvent (such as acetone) to ensure that there are no oil stains or impurities, in order to ensure optimal adhesion.Smooth pasting: When pasting, avoid generating bubbles and use a scraper to smooth from the center to the edges.Regular inspection: Regularly check the wear of the tape during production intervals. Once serious scratches or peeling are found on the surface, it should be replaced in a timely manner.Easy replacement: After tearing off the old tape, if there is any residue, it can be removed with alcohol or a special cleaning agent, and then a new tape can be reattached.There are many manufacturers and brands on the market that supply PTFE tape. We suggest that you evaluate from these perspectives in order to find the most suitable "invisible protector" for your die-casting conditions.

MLCC upper/lower tape coated with silver tape

In the production of MLCC (Multi Layer Ceramic Capacitors), the "upper/lower tape" and "silver dipping tape" you asked about are two completely different specialized tapes that play important roles in packaging, transportation, and electrode manufacturing, respectively.📦 Cover/Base TapeThis type of tape is mainly used for packaging and transportation of electronic components. They are used in conjunction with paper carriers to securely seal small components such as MLCC in the grooves of the carrier for accurate picking on automated surface mount machines.Core requirement: To prevent tiny MLCC from being electrostatically broken down, this type of tape usually needs to undergo anti-static treatment. At the same time, they also need to have stable peeling force (pulling force) to ensure that they can be smoothly peeled off on the automatic mounting machine without leaving irregular tear marks.Main suppliers: Major players in the industry include Japan's Mattei Group, Jiemei Technology, and some professional manufacturers such as Taicang Qunte Electrical Materials.🎨 Silver Termination TapeThis type of tape is used in the "sealing" process of MLCC manufacturing to protect the ceramic body parts that do not require sizing. Due to the need to be exposed to high temperatures, it has high requirements for heat resistance.Working principle: When silver paste (or copper paste) is applied to the end of MLCC to form an external electrode, this tape tightly wraps around the rest of the capacitor, providing shielding and protection. Subsequently, the components with adhesive tape will enter a high-temperature oven or sintering furnace for processing.Core technical requirements:High temperature resistance: This is the most critical characteristic. After high-temperature treatment at 200 ° C to 260 ° C, the performance of the tape must remain stable and cannot deform or melt.No residual adhesive: When peeled off after the process is completed, it must be 100% residue free. Any residual adhesive will affect the performance or appearance of MLCC.Flexible and snug: The tape needs to be able to tightly adhere to the tiny surface of MLCC, providing reliable shielding for subsequent electroplating, sintering, and other processes.Main suppliers: The main suppliers in the market include Shenzhen Yizhong Technology Co., Ltd., Dongguan Xinpengda Adhesive Products Co., Ltd., Haojia Enterprise Co., Ltd., Shenzhen Youtu Technology, etc.⚙️ New choice in technology: thermal foaming tapeIn the "silver dipping" process, in addition to traditional silver dipping tape, a more advanced thermal foaming tape is becoming popular.Traditional silver coated adhesive tape needs to be manually or mechanically removed after protection, while thermal foam tape utilizes its own characteristics to rapidly expand in volume at specific high temperatures (about 190-210 ° C), thereby automatically and completely eliminating the stickiness and achieving automatic unloading of components. This characteristic makes it more suitable for high-precision automated production and can effectively avoid the physical damage that traditional tape may cause to fragile ceramic bodies or electrodes when torn off, especially when dealing with small-sized MLCCs

Teflon glass cloth tape

Teflon glass cloth tape.This is a composite tape that combines a high-performance coating of PTFE, a sturdy substrate of fiberglass cloth, and a high-temperature resistant silicone adhesive, making it the "high-performance armor" of industrial tape.Core three-layer structureCore role of hierarchical materialsSurface PTFE (polytetrafluoroethylene) is non stick, wear-resistant, chemical resistant, and has low frictionSubstrate glass fiber cloth provides strength, high temperature resistance, tear resistance, and dimensional stabilityBottom layer organic silicon pressure-sensitive adhesive resistant to high temperature bondingFive core characteristicsExcellent high temperature resistanceContinuous use: -70 ° C to+260 ° C.Short term peak: can withstand instantaneous high temperatures of up to 300 ° C.Stable physical properties at high temperatures, without melting or dripping.Excellent non stick and demolding propertiesAlmost all viscous substances (hot melt adhesive, resin, paint powder, food) cannot permanently adhere and are easy to clean.Strong chemical corrosion resistanceIt can resist the vast majority of acids, alkalis, solvents, and oils, protecting equipment from corrosion.Excellent mechanical performanceGlass cloth provides high strength, tensile strength, puncture resistance, wear resistance, and long service life.The surface friction coefficient is extremely low, suitable for situations that require sliding.Reliable electrical insulationIt can maintain good insulation performance even in harsh environments such as high temperature and humidity.Main application scenarios (by industry)Typical Industry ApplicationsElectronic and electrical high-temperature wire harness wrapping, iron base plate, heating tube insulation, circuit board wave soldering shieldingPackaging and plastic heat sealing machine knife wrapping (one of the main uses), plastic hot pressing molding demolding, conveyor belt anti stickingHigh temperature shielding protection for surface treatment spraying, electrophoresis, powder spraying, and welding splash protectionAnti sticking and high temperature resistant liners for the rollers of textile printing and dyeing hot stamping machines and shaping machinesFood industry baking conveyor belt, drying rack anti sticking (food contact compliance needs to be confirmed)General industrial repair or protective coating for corrosion resistance, wear resistance, and insulationHow to use it to achieve the best effect?This is the key to determining the lifespan and effectiveness of the tape.surface pretreatmentIt is necessary to ensure that the adhesive surface is absolutely clean! Oil free, dust-free, rust free, and water free.Thoroughly clean and air dry with solvents such as alcohol and acetone.Correct pasting processTemperature: The best bonding effect is achieved at room temperature or slightly above room temperature (such as 21 ° C-40 ° C).Method: Starting from one end, slowly pull and stick while applying pressure evenly with a scraper or hand to expel all bubbles.Overlap: If multiple splices are required, there should be an overlap of approximately 10-15mm.The crucial 'thermal curing'After pasting, do not immediately put it into peak high temperature use.Correct steps: Gradually raise the temperature to the working temperature (for example, first raise to 150 ° C and hold for 30 minutes, then raise to the working temperature), allowing the silicone adhesive to fully cure and form the strongest adhesive force.Maintenance and replacementRegularly inspect the surface for wear, scratches, or decreased adhesion.When the surface PTFE layer is severely worn and exposes the glass cloth, or loses its non adhesiveness, it should be replaced in a timely manner.Key points for purchasingCheck parameters: Focus on thickness, width, temperature resistance level, and peel strength.Choose color:Brown/Amber: The most common and universal type.White: Other fillers (such as titanium dioxide) may have been added, and the non stickiness may be slightly different, sometimes making it easier to detect stains.Sample testing: For critical applications, it is essential to first purchase small samples for testing under actual operating conditions.Brand recognition: Choose reputable industrial brands for more stable mon Problems and MisconceptionsQ: Can it be used for non stick pot repair?A: Not recommended! Although the materials are the same, household non stick pans require a dense, uniform coating and a strong bond with the substrate. Tape cannot meet the physical requirements for food safety and long-term cooking, and is prone to peeling off when exposed to high temperatures, posing a safety hazard.Q: Why does the newly applied tape curl or bubble when heated?A: The most common reason is that the surface is not clean or has not undergone "heat curing". Please strictly follow the above pasting and curing steps.Q: What is the difference between it and ordinary high-temperature resistant masking tape?A: A world of difference. Ordinary masking tape (such as washi tape) typically has a temperature resistance of no more than 200 ° C and is not resistant to chemical corrosion, tearing, low friction, or stickiness. Teflon glass cloth tape is a solution to meet extreme and multifunctional needs.If you can provide specific application scenarios (such as what devices are used for, what problems are solved, working temperature, and environment), I can provide you with more accurate selection and usage recommendations.

Question and answer

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