5 Mil PTFE Film Tape P-421 NAT
Description
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5-MIL PTFE FILM TAPE
P-421 is a heavy-duty PTFE film tape that fulfills requirements for ultra-high dielectric strength, high temperature use with high to medium gauge magnet wire in larger-size components making it ideal for use in aerospace and electrical applications.
Features
- Cured silicone adhesive enhances P-421’s ability to operate over a wide temperature range.
- PTFE backing provides low coefficient friction, which makes for a slick surface that promotes the quick movement of materials.
- Impervious to most chemical attacks, including acids, solvents, fuels and most alkalies.
Structure
Properties
| BACKING MATERIAL | PTFE Film |
|---|---|
| ADHESIVE | Cured Silicone |
| COLOR | Gray |
| INSULATION CLASS UL | 356°F/ 180°C |
| GOVERNMENT SPECIFICATIONS | ASTM D570, CID A-A-59474C Type I, Class 4 |
| BOEING SPECIFICATIONS | BAC 5034 Type IV, Class 3B, BAC 5157 |
| IMPERIAL | METRIC |
| TOTAL TAPE THICKNESS | 6.8 mils | 0.17mm |
|---|---|---|
| TENSILE STRENGTH | 66 lbs/in | 116 N/10mm |
| ELONGATION | 143% | 143% |
| ADHESION TO STEEL | 37 oz/in | 4.0 N/10mm |
| DIELECTRIC STRENGTH | 17,800 volts | 17.8 kV |
5 Mil PTFE Film Tape P-421 NAT
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