Plastic Sheet Stock Acetal Homopolymer Standard Plastic Length 12 in Plastic Width 5 in Plastic Thickness 1 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 Plastic Density 0.051 lb/cu in Corrosion and Chemical Resistance Fair