A High-temperature stretch lower film: mainly made of PA, PP, PE, TIE, EVOH and other raw materials, the sterilization temperature can withstand 130°, one hour.
Low-temperature refrigeration -40° Basic structure of high-temperature film: PA/TIE/PP/TIE/PA/TIE/PP
Upper film: PA1.5/CPP7
Stretching parameters: film thickness 0.12 stretch ≤30 mm, 0.16 stretch ≤ 50 mm, 0.2 stretch ≤ 80 mm, 0.24 stretch ≤ 100 mm