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What properties should food bags that require high temperature resistance have?

by:Supouches Packaging     2022-07-20
The packaging tells you what properties should a food bag that requires high temperature resistance have? 1. Choose the appropriate glue Choose the appropriate glue for the compounding of aluminized films such as VMCPP and VMPET. The difference between VMCPP and VMPET of different manufacturers is very large after compounding. 2. Process ①The temperature of the oven and the compounding roller are lowered by 5-10℃ respectively; ②The temperature of the curing room shall not exceed 45℃; ③The PET/VMPET/PE(CPP) is cured for 1-2 hours after the first compounding, and then the second compounding is performed; ④If the air is dry, please reduce the curing dose by 10%. How to make aluminum foil bags? 1. The choice of stitching The more stitching, the lower the cost. Selecting the appropriate specifications according to the equipment conditions can greatly reduce the loss. 2. Adhesive selection Choose adhesives with large initial tack, high solid content and good wettability. 3. Process ① The amount of glue applied is about 1.5 times that of the white film. When the printing is full bottom or the printing area is large, the amount of glue should be further expanded. ②After the first compound is cured for 13 hours, the second compound is performed, and the product is cured for 72 hours. ③The aluminum foil does not pass through the flattening roller, but is connected to the compounding roller. ④Tension control. ⑤ The temperature of the oven and the composite roller should be increased as much as possible. How to make a cooking bag? The composite cooking bag film is a comprehensive test for the composite operators and equipment. By making the cooking bag film, the workshop management level and operation level can be comprehensively improved. 1. Material: PET, AL, NY, CPP, glue. 2. Coating weight: 5-5.5g/m2 (135°C) 4.5-5.5g/m2 (121°C) 3. Oven temperature (60°C, 70°C, 80°C), good ventilation, clean environment (one point is a source of damage). 4. The temperature of the composite roll (80-90℃), the pressure of the composite roll should be as large as possible.
In the past few decades, flexible packaging solutions production has increased because of the use of flexible packaging.
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