K5581 Sheet Stock Polycarbonate Grade Standard Plastic Length 4 ft Plastic Width 24 in Plastic Thickness 0.09375 in Clear Plastic Clarity Clear Tensile Strength 9 500 psi Impact Strength 12.0 ft-lb/in Water Absorption 0.15 Percent Temperature Range -211 Degrees to 270 Degrees F Plastic Hardness Rockwell M70