Sheet Stock Acetal Copolymer Grade Standard Plastic Length 24 in Plastic Width 24 in Plastic Thickness 4 in White Plastic Clarity Opaque Tensile Strength 9 100 psi Impact Strength 1.1 ft-lb/in Friction Coefficient 0.35 Water Absorption 0.22 Percent Temperature Range -50 Degrees to 180 Degrees F Plastic Density 0.051 lb/cu in Plastic Hardness Rockwell M90