permacel胶带 nitto胶带 PTFE薄膜胶带P421高温特氟龙胶带

用于变压器、电机、飞机航空、高铁、地铁、医疗、军事等，耐高压、耐高温，可见以下参数

has unsurpassed dielectric strength in volts-per-mil, coupled with an outstanding thermal rating and conformability.This tape is perfect for insulating connections in high voltage coils and power cables. This product is ideal for use in the aerospace and electrical industries .

Features：Chemically inert with excellent high temperature resistance.  Operates over a wide range of temperatures.  Impervious to most chemical attacks, including acids, solvents, fuels and most alkalies.  Economical with high performance features.

BACKING MATERIAL PTFE FilmAHDESIVE Cured SiliconeCOLOR GrayInsulation Class UL 356°F/ 180°CCertifications UL-510Government Specifications ASTM D2686, CID A-A-59474ABoeing Specifications BAC 5034 Type IV, BAC 5157, BAC 5241, BAC 5317, BAC 5332, BAC 5514, BAC 5548, BAC 5578, BAC 5597 Imperial Metric Total Tape Thickness 3.9 mils  0.1 mmTensile Strength 28 lbs/in  49 N/10mmElongation