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What is a special-shaped bag

by:Supouches Packaging     2022-01-01
Because of its unique shape, special-shaped bags are very attractive to consumers. They have gradually become one of the means for flexible packaging manufacturers to increase their selling points and enhance product competitiveness, and they are gradually becoming popular in foreign markets. Special-shaped bags are commonly used regular three-side-sealed bags, middle-sealed bags, and four-side-sealed bags. They have special soft packaging bags and are widely used in food, daily chemicals, toys, medicine, electronics and other fields. Common special-shaped bags in life include three-sided sealing bags, self-supporting special-shaped bags, self-supporting spout bags, etc. Generally, the composite film used is two-layer composite, three-layer composite, and four-layer composite, and the material structure can be combined according to customers. Two-layer composite: OPP/VMPET; VMPET/PE (commonly used in toy packaging bags); OPP/VMCPP (commonly used in food packaging bags), etc. Three-layer composite: MATOPP/VMPET/PE; OPP/VMPET/PE (commonly used in facial mask bags); PET/VMPET/PE (commonly used in shampoo bags) Four-layer composite bags: PET/NY/VMPET/PE. Adding Ninon film can increase the softness of the composite bag. As the demand for special-shaped bags continues to expand, its production and processing are becoming more batched and standardized. The main processing technology is divided into typesetting, printing, compounding, bag making, die cutting, mouth filling and other steps. The main points of processing are typesetting, bag making, and die cutting. And other processes. Plastic bags have the most advanced production equipment and high online production efficiency. It is the best choice for users and friends to customize special-shaped bags.
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