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Wenzhou Dajiang Vacuum Packing Machinery Co., Ltd.
19
2023
-
07
What are the composite materials used in vacuum bags
Author:
Vacuum bags are mainly composed of composite materials such as PE, RCPP, PET, PA, AL, PVA, etc
1. Bag mainly made of PE material: It is suitable for low-temperature vacuum bags. Products that require heating are not suitable for use, and frozen seafood is commonly used.
2. Bags mainly made of RCPP material: Suitable for high-temperature cooking bags, so high-temperature cooking bags are mostly made of this material.
3. PET based bags: increase mechanical strength and are mostly used for packaging moisture-proof, powder, puffed food, and dry goods products.
4. Bag mainly made of PA material: increases physical strength, has good puncture resistance and strength, and is usually made into toothbrushes, wooden combs, fruit packaging bags, etc.
5. Bag mainly made of AL material: It is the aluminum foil material we often mention, which has high barrier, shading, and moisture resistance.
6. Bags made mainly of PVA material: Soft in texture and good in transparency, they are a new type of environmentally friendly material that can effectively increase barrier performance and have a high barrier coating.
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