Product Description
Our High-Performance Kapton Tape, also recognized as polyimide tape, is an exceptional adhesive solution tailored for rigorous industrial applications. This premium tape features a robust polyimide film backing coated with a superior silicone pressure-sensitive adhesive. This unique combination delivers outstanding thermal stability, chemical resistance, and electrical insulation, making it the ideal choice for a wide range of applications.
Available constructions start with polyimide film thicknesses from 0.025 mm (1 mil), with typical total tape thicknesses of 0.06 mm and 0.08 mm depending on adhesive build. our polyimide insulation tape ensures precision and reliability, free from scratches or defects. It can endure extreme temperatures of up to 260℃ (500℉), making it perfect for safeguarding electronic components, electric motors, and printed circuit boards (PCBs) during high-temperature operations. Whether you need polyimide tape for 3D printing projects or aerospace applications, our products are engineered to exceed industry standards.
Designed for high-temperature masking and insulation where clean removal is required under typical electronics manufacturing profiles; always validate dwell time, peak temperature, and substrate compatibility for your process.
Datasheet
| Item No. | J630 | J630 |
| Adhesive Type | Silicone | Silicone |
| Thickness | 0.06mm | 0.08mm |
| Adhesion to Steel | 6 N/25mm | 6 N/25mm |
| Tensile Strength | 50 N/10mm | 80 N/10mm |
| Elongation at Break | ≥ 80% | ≥ 45% |
| Temperature Resistance | 260ºC | 260ºC |
| Electrical Strength | ≥ 4.5 KV | ≥ 6.0 KV |
| Length | 33M | 33M |
Test Methods (Reference): Peel adhesion per ASTM D3330; tensile/elongation per ASTM D3759 (tape) or equivalent method; dielectric breakdown per ASTM D149 (reports available upon request). Typical values may vary with substrate and process conditions.
Trademark Notice: Kapton® is a registered trademark of DuPont. Our products are polyimide tapes manufactured to comparable performance standards and are not affiliated with DuPont.
Key Features
Our PI tape boasts a variety of features that make it highly sought after across multiple sectors:
- Exceptional Temperature Resistance: With the ability to withstand temperatures up to 260℃, it is reliable in high-heat environments.
- Superior Electrical Insulation: Dielectric breakdown voltage: ≥ 6.0 kV (grade-dependent), it ensures optimal insulation for sensitive electronic components.
- Residue-Free Removal: Designed for easy peeling, it leaves no adhesive residue, ensuring a clean surface post-application.
- Chemical and Abrasion Resistance: This tape is resilient against chemicals and physical wear, enhancing its durability in challenging conditions.
- Custom Adhesion Levels: Available in low, medium, and strong adhesion options to suit specific application requirements.
- Versatile Customization: Can be die-cut into unique shapes, making it adaptable for various manufacturing needs.
Applications
Electronics Manufacturing
Kapton tape is vital in the electronics sector for insulating and protecting delicate components. Its high thermal stability and electrical insulation properties are perfect for wrapping wires and securing parts during soldering and other high-heat processes.
3D Printing
In the realm of 3D printing, our polyimide tape is applied to the build platform to improve the adhesion of the first print layer. Its heat-resistant properties ensure effectiveness at high temperatures, preventing warping and ensuring smooth, high-quality prints.
Aerospace Applications
polyimide insulation tape with silicone adhesive plays a critical role in the aerospace industry by insulating and protecting wiring and components exposed to extreme conditions. Its durability and resistance to chemicals and radiation make it ideal for harsh environments, ensuring the safety and reliability of aerospace systems.
Automotive Sector
In the automotive industry, polyimide tape is used for insulating electrical connections and protecting sensors. Its ability to withstand high temperatures and harsh conditions makes it suitable for engine compartments and other demanding applications.
PCB Processing
Kapton tape is essential for PCB processing, providing insulation during wave soldering and reflow soldering. Its high shear resistance and excellent chemical stability ensure reliable performance in critical applications.
Powder Coating
This tape is widely utilized in the powder coating industry for high-temperature masking, where its ability to endure extreme conditions is crucial.
Electrical Equipment Insulation
In electrical applications, polyimide insulation tape is used for H-class motor and transformer coil insulation wrapping, ensuring high-temperature resistance and protection in critical areas.
As a reliable polyimide tape manufacturer and supplier, we are dedicated to providing high-quality solutions that cater to diverse industry needs. Whether you require 0.5 mil, 1 mil, or 3 mil polyimide tape, we have the ideal product for your applications.
Request a free sample and technical datasheet (TDS). Please share your application temperature profile, substrate, and required width.
FAQS
Q1: What is the recommended shelf life and storage condition for Kapton tape?
A: Typical shelf life is 6–12 months (grade-dependent) when stored in original packaging at 20–25 °C in a dry environment. Avoid direct sunlight, high humidity, and prolonged heat exposure to maintain adhesive performance. For critical projects, refer to the specific SKU TDS/COA.
Q2: How should Kapton tape be applied to achieve optimal adhesion at high temperatures?
A: For best adhesion, apply to a clean, dry, oil-free surface and use firm pressure to ensure full contact. Many silicone-PSA tapes achieve stronger bonding after a short dwell time at room temperature, but results depend on substrate and process conditions.
Q3: Does Kapton tape perform differently on metals vs. plastics?
A: Silicone PSA generally bonds more strongly to high-surface-energy materials (e.g., steel, aluminum, copper) than to low-energy plastics (e.g., PE/PP). For low-energy substrates, application trials or surface treatment is recommended.
Q4: Can Kapton tape be customized for die-cut parts or automated assembly lines?
A: Yes. Kapton tape can be supplied in custom slit rolls, sheets, and precision die-cut parts. Options such as release liner type, core size, and winding direction are available depending on converting and dispensing requirements.
Q5: How do I select the right thickness for my application?
A: Thickness selection depends on your thermal profile, insulation requirement, mechanical durability, and conformability. Thinner tapes conform better to tight radii, while thicker constructions are typically more durable and may provide higher breakdown margin. Share your process details for a tailored recommendation.