... etc., 2) molded, skived or cut from 100% virgin PTFE. PTFE products include PTFE Sheet, tube , rod , film , and gasket, etc. ... safely used between -180~+260 temperature range.Product structure: PTFE products include PTFE Sheet, tube , rod , film , and gasket, ... graphite, and copper, etc., then die-pressed. Comparing with the pure PTFE product, it has better compressive strength, wearing resistance, ...