Polyimide has excellent strength, wear-resistance, and electrical insulating properties. It can also withstand extreme temperatures. This Product is Manufactured in China. Thickness: 0.005"; Width: 12"; Width Tolerance: (-0.25" - +0.25"); Length: 12"; Length Tolerance: (-1" - +1"). Color: Amber; Clarity: Semi-Clear; Tensile Strength: 16,000 psi; Tensile Strength Rating: Excellent; Impact Strength: Not Rated; Impact Strength Rating: Not Rated. Coefficient of Fricton: Not Rated; Friction Rating: Not Rated; Water Absorption: Not Rated; Water Absorption Rating: Not Rated; Hardness: Not Rated. Density: 0.051 lbs / cu. in.; Temperature Range: -450° to 750° F; Adhesive Temperature Range: -40° to 500°F; Specifications Met: UL 94 V-0.