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Material classification and selection of food packaging bags

by:Supouches Packaging     2022-07-13
The material of food packaging bags is not a simple choice, but is recommended according to customer needs and use environment. For example, the company's frozen food packaging forms are divided into two categories: soft type and hard type. The soft type is based on plastic film. Thick and hard packaging, such as slightly thicker paper packaging boxes, composite aluminum foil stamping containers, etc., the former accounts for a larger proportion. Now the common frozen food packaging bags on the market mostly use the following structures: OPP/LLDPE, the product performance of this structure can achieve moisture-proof, cold-resistant, low-temperature heat-sealing tensile strength, etc., and the cost is relatively economical; NY/LLDPE This structure has a packaging performance that can withstand Freezing, impact resistance, puncture resistance, relatively high cost, good product packaging performance PET/LLDPE, PET/NY/LLDPE and PET/VMPET/LLDPE and other structures are also used in frozen products, but the usage rate is relatively low; There is also a simple PE bag, such as vegetable packaging, etc. The above product structures are the most concentrated structures used in the packaging of low-temperature frozen products in the domestic market.
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