Rod Stock, Polycarbonate, Grade Standard, Plastic Length 3 ft, Plastic Diameter 4 in, Clear, Plastic Clarity Clear, Minimum Temperature -40 Degrees F, Maximum Temperature 250 Degrees F, Tensile Strength 10,500 psi, Impact Strength 1.5 ft-lb/in, Water Absorption 0.2 Percent, Plastic Hardness Rockwell M75