Plastic Sheet Polystyrene Grade Standard Plastic Length 8 ft Plastic Width 4 ft Plastic Thickness 0.09375 in White Plastic Clarity Opaque Tensile Strength 2 500 psi Impact Strength 0.2 ft-lb/in Friction Coefficient 0.5 Water Absorption 0.3 Percent Temperature Range 0 Degrees to 150 Degrees F Plastic Density 0.038 lb/cu in Plastic Hardness Rockwell R70