7 micron aluminium foil—a type of “صفر مزدوج” ultra-thin foil—is a preferred choice in the flexible packaging industry for balancing barrier performance with material costs. It is widely used in composite packaging for food, personal care products, والتبغ, particularly for items requiring medium-to-long shelf lives. Haomei Aluminum operates a sophisticated production line dedicated to double-zero foil. Haomei 7 micron aluminum foil excels in pinhole …