Sheet Stock, Polycarbonate, Grade Standard, Plastic Length 4 ft, Plastic Width 24 in, Plastic Thickness 0.177 in, Bronze, Plastic Clarity Opaque, Tensile Strength 9,500 psi, Impact Strength 12.0 ft-lb/in, Water Absorption 0.15 Percent, Temperature Range -211 Degrees to 180 Degrees F, Plastic Hardness Rockwell M70