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Frequently Asked Questions about Foil Bags!

The edge sealing problem of the aluminum foil bag, the temperature of the hot knife is high, the sealing edge is wrinkled, and the temperature is low and it cannot be sealed. The pressure has been debugged, and the silicone pads and original materials have also been changed, but it still cannot be solved. What can I do? Food bags, food packaging bags Answer: Considered from two aspects, one is that the edges are wrinkled, and the other is that they cannot be sealed. For edge sealing wrinkling, the reasons are generally: 1. The residual solvent in the glue and ink is too much, which accumulates and evaporates during the sealing and ironing process, causing bubbles and wrinkling; Wrinkling; 3. The glue and ink are not heat-resistant; 4. The parallelism of the heat sealing knife of the bag making machine, the hardness and flatness of the silicone do not meet the heat sealing requirements, and there are foreign objects on the heat sealing knife. For problems that cannot be sealed, the reasons are generally: 1. The temperature of the heat sealing knife is too low and the pressure is too small. 2. The quality of the heat-sealing material, the unsealing temperature is too high, or the heat-sealing function is unstable. [plastic bag] [vacuum bag]

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