Composition: 90% PTFE/10% nickel Color: Silver Length: 260" (6.6m) Width: 1/2" (12mm), 3/4" (19mm), 1” (25mm) Thickness: 0.0045" +/-10% (0.115mm +/-10%) Density: 1.6g/cm3 +/-10% Elongation: 50% Temperature range: -450°F to +500°F (-268°C to +260°C) PTFE is completely stable up to +500°F or +260°C. Decomposition is slow up to 750°F or +400°C. Although decomposition will occur on contact with naked flames. Tensile strength: 10-12N/mm2