Rectangle Stock Polypropylene Standard Plastic Length 4 ft Plastic Width 0.75 in Plastic Thickness 0.25 in White Plastic Clarity Semi-Clear Tensile Strength 4 200 psi Impact Strength 1.2 ft-lb/in Friction Coefficient 0.5 Water Absorption 0.01 Percent Plastic Density 0.033 lb/cu in Corrosion and Chemical Resistance Good