Plastic Sheet Stock Acetal Homopolymer Grade Standard Plastic Length 24 in Plastic Width 12 in Plastic Thickness 0.625 in Black Plastic Clarity Opaque Tensile Strength 9 600 psi Impact Strength 1.2 ft-lb/in Friction Coefficient 0.2 Water Absorption 0.25 Percent Temperature Range -20 Degrees to 180 Degrees F Plastic Density 0.051 lb/cu in Plastic Hardness Rockwell M94