Polycarbonate Sheet, Polycarbonate, Grade Standard, Plastic Length 3 5/16 ft, Plastic Width 12 in, Plastic Thickness 5 mil, Colorless, Plastic Clarity Clear, Tensile Strength 9,700 psi, Strength 14 ft-lb/in, Friction Coefficient 0.53, Water Absorption 0.13 Percent, Temperature Range -40 Degrees to 240 Degrees F, Plastic Density 0.043 lb/cu in, Plastic Hardness Rockwell R120.