1.Resin-PBT plastic materail 2.reinforced, heat retardant,high rigidity 3.good abrasion resistance Resin-PBT,as a professional manufacturer of engineer plastics,our proudcts are of high quality but have competitive price. reinforced, heat retardant,high rigidity,and superior abilty of against friction,can be produced according to your need . PropertiesTest ItemASTMUnit PBT ...