ROD STOCK, POLYCARBONATE, GRADE STANDARD, PLASTIC LENGTH 1 FT, PLASTIC DIAMETER 3 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