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Permacel P421 50mm x 33m Tape, single sided tape consists of a PTFE carrier and a cured silicone adhesive. Permacel P421 50mm x 33m 膠帶，單面膠帶由 PTFE 載體和固化的有機硅粘合劑組成。

• 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