High density non-stick coating gray thread sealing tape for use on all stainless steel fittings. Specially designed to prevent galling, seizing and corrosion. High density rating makes this tape an excellent product for sealing coarse stainless steel pipe threads. Made from PTFE (polytetrafluoroethylene) with nickel pigment color added. Carries a temperature range of -450 F to +550 F. Size: 1/2 In. x 260 In. Color: Gray Material: Polytetrafluoroethylene Thickness: 4 mm Density: 4 mm