Sheet Stock PAI Grade Electrically Insulating Plastic Length 4 ft Plastic Width 12 in Plastic Thickness 0.625 in Black Plastic Clarity Opaque Tensile Strength 20 000 psi Impact Strength 2.0 ft-lb/in Friction Coefficient 0.35 Water Absorption 0.4 Percent Temperature Range -321 Degrees to 500 Degrees F Plastic Hardness Rockwell M120