Food packaging bags that need high temperature characteristics.biodegradable clear mailing bags Manufacturing

　　The food packaging bags that need to be sterilized and cooked must have high temperature resistance characteristics. The specifics are as follows:

　　1. Choose suitable glue

　　Choose the appropriate glue for composite aluminum -plated thin -film composites such as VMCPP and VMPET. The VMCPP and VMPET composite of different manufacturers are particularly different.

　　2. Process

　　① The temperature of the oven and composite rollers is reduced by 5-10 ° C;

　　② The temperature of the curing room does not exceed 45 ° C;

　　③ PET/VMPET/PE (CPP) After the first time, it is cured for 1-2 hours after reunion for 1-2 hours.

　　④ If the air is dry, reduce the dosage of the curing by 10%.

　　How to make aluminum foil bags?

　　1. Selection of fighting

　　The more you fight, the lower the cost. If you choose the appropriate specifications according to the equipment, you can significantly reduce the loss.

　　2. Adhesive selection

　　Choose a binder with large first adhesion, high solid content, and good infiltration.

　　3.

　　① The amount of glue is about 1.5 times the white film. When printing is a full bottom or a large print area, the amount of glue should be further expanded.

　　② After the first compound, the second time is cured after 13 hours, and the product is solidified for 72 hours.

　　③ The aluminum foil does not pass through the flat roller, and the surface is connected to the composite roller.

　　④ tension control.

　　⑤ The temperature of the oven and composite roller should be increased as much as possible.

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