Plastic Sheet Stock PEI Grade Standard Plastic Length 6 in Plastic Width 6 in Plastic Thickness 0.5 in Amber Plastic Clarity Semi-Clear Tensile Strength 15 200 psi Impact Strength 1.0 ft-lb/in Friction Coefficient 0.42 Water Absorption 0.25 Percent Temperature Range -20 Degrees to 330 Degrees F Plastic Density 0.045 lb/cu in Plastic Hardness Rockwell M109