Polyurethane is a plastic material which exists in various forms (sheets & molded). It is very resistant to cold flow, has great radiation resistance and has very high tensile strength. Polyurethane is outstanding in applications that require great abrasion resistance, cut and tear resistance. It is also available in custom colors. Cast urethane sheets are available if various thickness and durometers. Standard durometers are 60A, 70A. 80A and 90A. Custom durometers include 20A to 70D. It is used in the Military and food processing industries.