... etc., 2) molded, skived or cut from 100% virgin PTFE. PTFE products include PTFE Sheet, tube , rod , film , and gasket, etc. ... 260 temperature range.The Modified PTFE Sheet is made from the original PTFE powder material by uniformly adding glass fiber, carbon fiber, ... graphite, and copper, etc., then die-pressed. Comparing with the pure PTFE product, it ...