Plastic Sheet, Polycarbonate, Grade Standard, Plastic Length 4 ft, Plastic Width 4 ft, Plastic Thickness 0.125 in, Gray, Plastic Clarity Clear, Tensile Strength 9,700 psi, Impact Strength 14.0 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