... etc., 2) molded, skived or cut from 100% virgin PTFE. PTFE products include PTFE Sheet, tube , rod , film , and gasket, etc. ... -180~+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 ...