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5 Mil PTFE Film Tape P-421 NAT

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.

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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 MATERIALPTFE Film
ADHESIVECured Silicone
COLORGray
INSULATION CLASS UL356°F/ 180°C
GOVERNMENT SPECIFICATIONSASTM D570, CID A-A-59474C Type I, Class 4
BOEING SPECIFICATIONSBAC 5034 Type IV, Class 3B, BAC 5157
 IMPERIALMETRIC
TOTAL TAPE THICKNESS6.8 mils0.17mm
TENSILE STRENGTH66 lbs/in116 N/10mm
ELONGATION143%143%
ADHESION TO STEEL37 oz/in4.0 N/10mm
DIELECTRIC STRENGTH17,800 volts17.8 kV

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Customer Support Center

TEL 1-800-755-8273

Business Hours (EST) 8:00 a.m.-5:30 p.m. Except for Sat, Sun, and Holidays

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Contact Us

Customer Support Center

TEL 1-800-755-8273
Business Hours (EST) 8:00 a.m.-5:30 p.m.
Except for Sat, Sun, and Holidays