BOPP in packaging bags means biaxially oriented polypropylene film. It is a polypropylene film stretched in both machine and transverse directions to improve clarity, stiffness, tensile strength, printability, and moisture resistance. In flexible packaging, BOPP is widely used for snack bags, bakery bags, candy bags, dry food packaging, label film, laminated pouches, and retail packaging structures.
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2026-05-29