Polycarbonate(PC) is a tough, dimensionally stable, transparent thermoplastic that has many applications which demand high performance properties. This versatile thermoplastic  maintains its propertyes over a wide range of temperatures, from -40"F to 280"F. It is available in three types: machine grade; window and glass-filled. It is the highest impact of any  Thermoplastic, transparent up to 2" in special grades, outstanding dimensional and thermal stability, exceptional machinability, stain resistant and non-toxic with low water absorption