Mylar A (200 guage) PET DuPont Packaging & Industrial PolymersMylar A (300 guage) PET DuPont Packaging & Industrial PolymersMylar A (400 guage) PET DuPont Packaging & Industrial PolymersMylar A (48 guage) PET DuPont Packaging & Industrial PolymersMylar A (500 guage) PET DuPont Packaging & Industrial PolymersPET性能指标: