1.Resin-PBT plastic materail 2.reinforced, heat retardant,high rigidity 3.good abrasion resistance Resin-PBT,as a ... are of high quality but have competitive price. reinforced, heat retardant,high rigidity,and superior abilty of against friction,can be ... .020.020.02Remark30%GF25%GF20%GF15%GF10%GFNo GF Modified & Flame Retardant PBT