Sheet Stock Acetal Copolymer Grade Standard Plastic Length 4 ft Plastic Width 12 in Plastic Thickness 0.5 in Black Plastic Clarity Opaque Tensile Strength 9 500 psi Impact Strength 1.0 ft-lb/in Friction Coefficient 0.25 Water Absorption 0.2 Percent Temperature Range 32 Degrees to 180 Degrees F Plastic Hardness Rockwell M88