PSU, PVC, UHMWPE, PEEK, PEL

PET is an unreinforced, semi-crystalline thermoplastic polyester based on polyethylene terephthalate . PET is characterized by having the best dimensional stability couple with excellent wear resistance, a low coefficient of friction, high strength, and resistance to moderately acidic solutions. PET properties make it especially suitable for the manufacture of precision mechanical parts which are capable of sustaining high loads and enduring wear conditions. Its continuous service temperature is 210°F (100°C) and its melting point is almost 105°F higher than acetal. 

In addition, PET offers good chemical and abrasion resistance. Its low moisture absorption enables mechanical and electrical properties to remain virtually unaffected by moisture.