GS 4200 Pure PTFE Sheet Aiflon PTFE product includes sheets , rods,tube,tapes and gaskets etc.,they are molded,skived or cut from 100virgin PTfe .It hasthe best chemical corrosion resistance among known plastics,without being aging.lowest friction coefficient,wear resistance.the unloaded operating temperature range is -180+260c GS 4200F Filled pefesheet The filled ptfe products are molded ptfe resin mixed with the most frequently used filler materials such as glass fiber , carbon fiber and etc.the filled ptfe has improved compression strength, better abrasion resistance ,high themal conductiviry and lower thrmal expansion compared with pure ptfe products. APPLICATION; Sealing materials ,electrical insulating parts ,lining,oil less lubricating,oil less lubricating materials etc.