heat resistance PET, hgh temperature resistant PET, PET with different content of glass fiber, PET GF, PET FR, PET GF & FR ... straighter frame,bobbin,iron frame.All color.This material is PET modified material, with different content of glass fiber filled, from 10% ... . heat resistance PET, high temperature resistant PET, PET with different content of glass fiber, PET GF, PET FR, PET GF & FR ...