PI5300 Polyimide (PI) High-Temperature Tape
Overview
PI high-temperature tape uses polyimide film as the base material, coated with silicone pressure-sensitive adhesive. Polyimide film also features high dielectric strength, making it an ideal material for high-voltage insulation. PI high-temperature tape delivers excellent physical properties, including good adhesion, high temperature resistance, solvent resistance, strong holding power and residue-free removal.
Key features
- High temperature resistance
- Chemical resistance
- High dielectric strength
- Excellent flexibility
Technical data
| Property | Unit | Model |
|---|---|---|
| Product Grade | PI5300 | |
| Color | Amber | |
| Substrate | Polyimide Film | |
| Adhesive | Silicone Pressure-sensitive Adhesive | |
| Total Thickness | mm | 0.050 ± 0.002 |
| Peel Adhesion | g/25mm | 450 ± 100 |
| Tensile Strength | N/25mm | 40 |
| Elongation | % | 40% |
| Breakdown Voltage | KV | 5 |
| Heat Resistance | °C | 260 |
| Environmental Certification | ROHS2.0 REACH |
Note: The above parameters are typical values for reference only.
Unit conversions for comparison: 1 N/cm = 2.5 N/25mm; 1 N/25mm ≈ 102 g/25mm (1 N = 101.97 gf).
Product advantages
High Temperature Resistance
Polyimide film coated with silicone adhesive rated 260°C - maintains stable adhesion throughout high-temperature spraying and surface treatment.
High Dielectric Strength
High dielectric strength (breakdown voltage 5KV) makes it an ideal material for high-voltage insulation.
Excellent Adhesion, Residue-free
Stays firmly adhered under heat, removing without residue or edge lifting to protect workpiece surfaces and appearance.
Chemical Resistance
Resists solvents and common chemical media with stable performance during masking processes.
Excellent Flexibility
Flexible film conforms to curved and irregular structural parts with good edge sealing.
Ultra-thin Conformability & Eco-friendly
Total thickness of only 0.050±0.002mm conforms tightly; compliant with ROHS2.0 and REACH.
Application scenarios
Chassis & Cabinet Coating Masking
Masking protection for chassis and cabinets during high-temperature spraying or surface treatment.
Metal Structural Parts Masking
Precise masking of metal structural parts under high-temperature spraying and surface treatment - residue-free, no edge lifting.
High-Voltage Electrical Insulation
Leveraging its high dielectric strength for insulation protection in high-voltage applications.
Standard & certification
ROHS · REACH
High temperature insulation tape for class H work
The PI5300 is a high temperature insulation tape for the jobs where the temperature and the gap are both tight: class H winding insulation, busbar and cell insulation in a battery pack, and wave-solder masking that has to come off without residue. Polyimide film is thin enough to fit between layers and still hold its dielectric properties where a PET or PVC tape would deform.
Datasheet version: September 2026.
Related
Applications
Automotive Wiring Harness
Harness wrapping for engine compartments, doors and under-dash runs.
EV Battery Packs
Insulation, fixing and edge protection inside battery packs.
Home Appliances & Motors
Coil, motor and lead-wire insulation for white goods.
Transformers & Power Supplies
Layer insulation, core strapping and lead dressing.
Electronics & PCB
Masking, splicing and high-temperature protection in assembly.
Packaging Machinery
PTFE non-stick surfaces for heat-sealing and bag-making machines.
