Rectangle Stock, Polypropylene, Standard, Plastic Length 4 ft, Plastic Width 3 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