Mylar A (48 guage) DuPont Packaging Industrial Polymers PET Mylar Type A films have balanced tensile properties and excellent resistance to moisture and most chemicals. They can withstand temperature extremes
 

聚对苯二甲酸丁二醇酯，又名聚对苯二甲酸四次甲基酯。与PET一起统称为热塑性聚酯。用于电子电气，汽车和机械设备等。