Do you know the selection of Best aluminum spout pouch
Release time:
2022-06-28
How to choose materials for Best aluminum spout pouch? Today, Xiaobian brings these two questions to chat with you, let’s learn about them together.
How to choose materials for Best aluminum spout pouch? Today, Xiaobian brings these two questions to chat with you, let’s learn about them together.
1. Outer layer
The outer layer of Best aluminum spout pouch is the printing material. At present, the commonly used stand-up bag printing materials on the market are not only ordinary OPP, but also high-strength and high-barrier materials such as PET and PA, which can be selected according to the situation. If it is used to package dry fruit solid products, common materials such as BOPP and matte BOPP can be used. If packaging liquid products, PET or PA materials are generally used.
2, the middle layer
Best aluminum spout pouch intermediate layer generally chooses high-strength, high-barrier materials, such as PET, PA, VMPET, aluminum foil, etc. Moreover, RFID requires that the surface tension of the intermediate layer material must meet the composite requirements and must have a good affinity with the adhesive.
3. Inner layer
The inner layer of Best aluminum spout pouch is the heat-sealing layer. Generally, materials with strong low-temperature heat-sealing properties such as PE, CPE, and CPP are selected. The surface tension of the composite surface is required to meet the composite requirements, but the surface tension of the hot cover must be lower than 34mN/m, and it must have good anti-pollution ability, anti-static ability and heat sealability.
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