Your Professional Polyimide Tape Manufacturer!

 

STK Tape was founded in 1998 and has been deeply rooted in the adhesive tape industry for over two decades. We specialize in high-performance adhesive solutions for electronics, LED lighting, automotive, medical, energy, aerospace, home appliances, textile, and industrial manufacturing sectors. With continuous innovation and a customer-focused mindset, we have become a trusted partner globally.Our factories integrate R&D, production, testing, and customization, supporting large-scale OEM/ODM projects with fast delivery and flexible capacity.

 
 
Why Choose Us?

Advanced Equipment

STK Tape owns four modern production bases covering over 600,000 square meters, equipped with advanced clean rooms, high-precision coating lines, slitting machines, and state-of-the-art die-cutting facilities.

 

 

OEM/ODM

We provide a comprehensive portfolio of high-performance adhesive tape products and customized solutions to meet diverse industrial needs. Our offerings include world-renowned brands such as 3M, Nitto, and TESA original tapes, as well as precision-converted solutions tailored to customer requirements.

Production Market

STK exports to over 80 countries, and our products are widely recognized by global electronics, automotive, medical, and LED lighting manufacturers. We serve both multinational corporations and emerging local brands.

 

 

 

Our Certifications

We are certified with ISO 9001 and ISO 14001, ensuring that our products consistently meet global quality management and environmental protection standards.In addition, our products comply with major international certifications including REACH, RoHS, and UL, providing customers with safe, reliable, and environmentally friendly solutions for diverse industrial applications.

 

Product Parameters

 

Product Name

Polyimide Tape

Material

Polymide

Color

Gold/dark brown

Thickness

0.025-0.075mm

Size

Customized Size

Heat resistant

-269°C to +260°C

Acrylic adhesive

Silicone

Elongation rate

50%

Tensile strength

>42N/25mm

Peeling force

>26N/25mm

 

Advantages of Polyimide Tape

 

Extreme Heat Tolerance
Polyimide tape is designed to withstand extreme temperatures. It can resist temperatures ranging from -269°C to over 400°C (-452°F to 752°F). This extraordinary heat tolerance makes it a go-to material in industries where exposure to high temperatures is common, such as aerospace, electronics, and automotive manufacturing.

 
 

Electrical Insulation
One of the primary uses of polyimide tape is as electrical insulation. Its excellent dielectric strength and thermal resistance make it ideal for insulating wires and components in high-temperature environments. It ensures that electrical systems remain functional and safe, even when exposed to heat.

 
 

Chemical Resistance
Polyimide tape is highly resistant to chemicals and solvents. This property is invaluable in industries where exposure to aggressive chemicals is a concern. It helps protect components, wires, and surfaces from the corrosive effects of various substances, contributing to the durability of equipment and products.

 
 

Mechanical Durability
Polyimide tape is not just about temperature resistance; it's also incredibly durable. It can withstand mechanical stress, abrasion, and impact, making it a reliable choice for applications where materials need to endure harsh physical conditions.

 
 

Versatility in Applications
The versatility of polyimide tape is another significant advantage. It finds application in various industries, including electronics, automotive, aerospace, and manufacturing. Whether it's used as a masking tape during soldering, an insulating material in electronic components, or a protective layer on high-temperature equipment, it adapts to diverse requirements.

 

 

Applications of Polyimide Tape

Electrical Insulation: Its superior dielectric strength, thermal stability, and high-temperature resistance make it an ideal material for electrical insulation.

 

Aerospace and Defense: Polyimide tape is extensively used in aerospace and defense industries. It can withstand extreme environmental conditions such as high temperatures, high pressures, and exposure to space.

 

Electronics: Polyimide tape is commonly used in the electronics industry. It is used to wrap electronic devices to protect them from high temperatures and voltage.

 

Automotive: In the automotive industry, polyimide tape is used to prevent cable harness chafing and provide high-temperature resistance

 

3D Printing: Polyimide tape is commonly applied to the heated bed to allow the printed object to adhere to in 3D printing to create a smooth surface.

 

Fiber Optics: Polyimide film and tapes are used in the manufacturing of fiber optic cables as a protective layer or binder due to their strength, flexibility, and ability to withstand high temperatures involved in some production steps.

 

Medical Devices: Certain medical devices require materials that can withstand sterilization processes (like autoclaving, which involves high heat and pressure) and provide reliable insulation in compact designs.

High-Temperature Ultra-Thin Double-Sided Polyimide Film Tape (0.025mm - 0.075mm) manufacturers
How to Use Polyimide Tapes?

Here is a more detailed guide on how to use polyimide tape effectively:

1

Surface Preparation

This is perhaps the most critical step for ensuring optimal adhesion. The surface to which the tape will be applied must be clean, dry, and free from any contaminants. This includes oils, grease, dust, dirt, moisture, finger oils, and old adhesive residue.

2

Cleaning Methods

Depending on the substrate, cleaning can involve wiping with isopropyl alcohol (IPA) or other appropriate solvents, using lint-free cloths. Ensure the solvent fully evaporates before applying the tape.

3

Substrate Compatibility

Ensure the tape’s adhesive is compatible with the substrate material. While silicone adhesive has broad compatibility, specific plastics or coatings might react differently.

4

Temperature

Ideally, apply the tape at room temperature unless specified otherwise. Applying tape in very cold or hot conditions can affect initial tack and ultimate bond strength.

 
Application Technique
 
01/

Handling: Handle the tape by the edges to avoid transferring oils or contaminants from your fingers to the adhesive surface.

02/

Placement: Carefully position the tape on the desired area. For masking applications, precise alignment is crucial.

03/

Application Pressure: Apply firm, even pressure across the entire surface of the tape after positioning it. This ensures maximum contact between the adhesive and the substrate, allowing the adhesive to properly wet out the surface. Using a squeegee, roller, or application tool can help achieve uniform pressure, especially for wider tapes or larger areas.

04/

Avoiding Bubbles/Wrinkles: Apply the tape smoothly to prevent trapping air bubbles or creating wrinkles, which can compromise adhesion and lead to issues like bleed-under during masking or reduced dielectric strength in insulation applications. Applying from one end and progressively pressing down is often effective.

05/

Edge Sealing (Masking): For critical masking applications (like solder masking or powder coating), pay special attention to pressing down the edges of the tape very firmly. This creates a seal that prevents solder, coating powder, or chemicals from creeping underneath the tape border.

06/

Exposure to Conditions: Once applied, the tape is ready to undergo the intended process (e.g., wave soldering, baking, coating). Ensure the tape is rated for the specific temperature and duration it will be exposed to.

Removal

 

Cooling: If the tape has been exposed to high temperatures, allow the part to cool down sufficiently before attempting removal. Removing tape while hot can increase the likelihood of adhesive residue or film tearing.

 

Angle and Speed: Peel the tape back slowly and steadily, ideally at a low angle (135-180 degrees relative to the surface). Avoid pulling straight up or yanking quickly, which can shock the adhesive bond and potentially cause residue or damage the substrate.

 

Residue: Silicone adhesives, especially after high-temperature exposure, can sometimes leave residue. If residue occurs, it can often be removed using appropriate solvents (like IPA, acetone, or commercial adhesive removers), taking care not to damage the underlying substrate. Testing solvents in an inconspicuous area first is advisable.

 

Storage: Store polyimide tape rolls in their original packaging in a cool, dry place, away from direct sunlight and extreme temperatures. Proper storage helps maintain the adhesive’s shelf life and performance.

高温超薄双面聚酰亚胺薄膜胶带(0.025mm - 0.075mm)供应商

 

Packaging and Shipping
 

Packaging

Inner packaging is plastic bags, outer packaging is cartons, and can also be packaged according to customer requirements.

 

Shipping

Sea or air freight according to your requirements.

 

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FAQ

 

Q: What is your production lead time?

A: Delivery time is 7-15 days after order and deposit confirmation.

Q: Do you offer OEM, ODM, and custom services?

A: Yes, we support OEM and ODM services, such as printing your logo on release paper, plastic or paper cores, or packaging cartons, and we support cutting into various shapes and sizes.

Q: What are your payment methods?

A: We typically accept wire transfers, irrevocable limited liability companies. For regular orders, we prefer a 30% deposit before production and the balance before delivery. (We accept third-party inspections before delivery.)

Q: What kind of packaging do you provide?

A: Our products are packed in plastic bags for inner packaging, cartons for outer packaging, and plastic sheets or sheets for support panels. Custom packaging is also available.

Q: What is the difference between polyimide tape and Kapton tape?

A: Kapton tape is a brand name for a type of polyimide tape. Both are made from polyimide film, but Kapton is specifically a well-known, high-quality version, widely recognized in industries for extreme heat resistance and electrical insulation.

Q: What is the maximum temperature for polyimide tape?

A: Polyimide tape temperature ratings vary, with standard high-temperature versions typically withstanding up to 260°C (500°F), while some advanced grades can reach up to 350°C (662°F) or higher in short-term exposure. The specific rating depends on the tape's composition, especially the adhesive (commonly silicone-based), but the polyimide film itself offers excellent thermal stability.

Q: Is polyimide tape waterproof?

A: Polyimide film itself has extremely low water absorption (typically <0.5%), and even in humid or high-humidity environments, it will not swell, deform, or lose performance. Combined with a high-temperature silicone adhesive, the tape maintains stable adhesion even in high-temperature and humidity cycles.

Q: Does polyimide tape conduct electricity?

A: They are often used in applications that require good chemical resistance or high temperature resistance. Polyimide tapes act as excellent electrical insulators, are thin and conformable, and have outstanding tear resistance at elevated temperatures.

Q: What is polyimide tape made of?

A: Polyimide tape, also known as PI tape and brown high-temperature tape, is made by manufacturers using polyacrylonitrile plastic film (PI) as a substrate and coating it with organic silicone or improved acrylic pressure-sensitive adhesive.

We're professional polyimide tape manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized polyimide tape from our factory.

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