Polyurethane Sheet & Rods Polyurethane sheets, rods and tubes are made of tough, crack-resistant, and abrasion-resistant polyurethane, which lasts significantly longer than conventional rubbers and plastics. Standard Sizes: Thickness: 3 mm to 75 mm; Sizes: 300 mm width x 300 mm length We provide customized (special) sizes on request; (Hardness 85-90; Density 1.05 g/cm3 ; Max Temp: 80 Deg C)