PTFE/Teflon Films: Skived Film 1.100% virgin white PTFE Film 2.carbon, graphite and glass fiber can be filled 3. ... , tube, sheet, gasket and bottle; extruded rod, tube; skived sheet, film; filled PTFE articles and all kinds of PTFE Shaped Products ... in sealing civil-construction, machinery, chemicals and mechanical. PTFE graphite film tube