K6240 Sheet Stock Cast Acrylic Grade Standard Plastic Length 4 ft Plastic Width 24 in Plastic Thickness 1.25 in Clear Plastic Clarity Clear Tensile Strength 10 500 psi Impact Strength 0.375 ft-lb/in Water Absorption 0.2 Percent Temperature Range -26 Degrees to 180 Degrees F Plastic Hardness Rockwell M98