Structure: Symmetric structure (PE/PE/TIE/PA/TIE/PE), EVOH high resistance layer can be added according to requirements; Specification: Thickness of 60um-350um, width of 180mm-1400mm, supports customized roll and sheet packaging; Performance: Resistant to rapid freezing at -30 ℃, can withstand boiling and pasteurization at 85 ℃, and has a hot stretching forming rate of 98%.