Polyimide (PI) high-temperature tape, is a critical material in industries requiring thermal stability, electrical insulation, and chemical resistance. This tape is widely used in electronics, aerospace, automotive, and industrial manufacturing due to its ability to withstand extreme temperatures while maintaining structural integrity.

Key Features：

• Exceptional Thermal Stability(with short-term resistance up to 400°C)
• Excellent Electrical Insulation
• Chemical and Solvent Resistance
• Mechanical Strength and Flexibility
• Adhesive Performance
• Flame Retardancy

Applications:

• Electronics and Electrical Engineering

PCB Manufacturing: Used as solder masks and insulation barriers during wave soldering (withstand 260°C+).

Transformer and Coil Wrapping: Protects windings from heat and electrical arcing.

Flexible Circuit Boards: Provides mechanical support and insulation.

• Aerospace and Aviation

Wire Harness Protection: Shields wiring in jet engines and avionics from extreme heat.

Thermal Blanketing: Used in spacecraft to protect sensitive components from re-entry heat.

• Automotive Industry

Battery Insulation in EVs: Prevents thermal runaway in lithium-ion batteries.

Engine Compartment Wiring: Resists heat from exhaust systems.

• Industrial Manufacturing

Powder Coating Masking: Withstands curing ovens (200°C+).

Heat Sealing Applications: Used in packaging machinery.

• Semiconductor and Solar Industry

Wafer Processing: Protects wafers during high-temperature etching.

Solar Panel Lamination: Ensures durability under UV and thermal stress.

• Medical and Laboratory Equipment

Autoclave Tape: Withstands sterilization temperatures (121–134°C).

High-Temperature Lab Sealing: Used in ovens and furnaces.

The Structure:

1. Polyimide Film (Base Layer)

Thickness varies from 25 µm to 125 µm, depending on application requirements.

2. Adhesive Layer

Silicone Adhesive: Best for extreme heat (up to 260°C continuous).

Acrylic Adhesive: Offers better adhesion at lower temperatures (up to 180°C).

3. Release Liner (Optional)
4. Additional Coatings (Specialized Variants)

Conductive coatings for EMI shielding.

Anti-static layers for electronics handling.

Reinforced backing for added durability.

When choosing PI tape, consider:

Temperature range (silicone adhesive for >200°C).

Thickness (thicker films for mechanical protection).

Adhesive strength (acrylic for strong bonding, silicone for heat resistance).

Dielectric properties (critical for electrical insulation).

PI high-temperature tape is an indispensable material in modern industries due to its thermal stability, electrical insulation, and chemical resistance. Its unique structure—comprising a polyimide film and high-performance adhesive—ensures reliability in extreme conditions. From electronics manufacturing to aerospace engineering, PI tape continues to play a vital role in advancing technology.