PTFE sheet or PTFE tape. VIRGIN SHEET. White PTFE sheet is a plastic in the Engineering Plastic group that is efficient to use. Excellent chemical resistance Dielectric strength Resistant to high temperatures Low moisture absorption, smooth surface, food grade FDA suitable for use in the food and beverage industry. PTI. We sell PFTE / PTFE VIRGIN SHEET sheets, thickness 0.5-100 mm with die-cutting service. Cutting CNC machined for ease of use. Gaskets, seals, washer, bushing, bearing etc. We also have nylon tape or PTFE tape attached with adhesive tape for sale (Thickness 0.5-1.5 mm)