Paper laminated with a phenolic resin. XX has moderate strength and good Electrically Insulating properties. This Product is Manufactured in China. Thickness: 1/2"; Thickness Tolerance: (-0.02" - +0.02"); Width: 24"; Width Tolerance: (-0.25" - +0.25"); Length: 24"; Length Tolerance: (-0.25" - +0.25"). Color: Brown; Clarity: Opaque; Tensile Strength: 15,000 psi; Impact Strength Rating: Excellent. Impact Strength: 0.6 ft.-lbs./in.; Impact Strength Rating: Poor; Coefficient of Friction: Not Rated; Friction Rating: Not Rated; Water Absorption: 0.0125; Water Absorption Rating: Poor. Hardness: Rockwell M110; Density: 0.049 lbs / cu. in.; Temperature Range: 250° F; Specifications Met: UL 94 HB.