Permacel P421 50mm x 33m Tape, single sided tape consists of a PTFE carrier and a cured silicone adhesive. Permacel P421 50mm x 33m 胶带，单面胶带由 PTFE 载体和固化的有机硅粘合剂组成。

• Electrical tape with resistance against almost all chemical attacks, including acids, solvents, fuels and most alkalies, and electrolytic corrosion
• Has a very good resistance against high temperatures
• The carrier provides a low coefficient of friction, which provides a smooth slippery surface that promotes quick movement of materials