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How to seal food packaging bags

2025-05-23

How to seal food packaging bags

Folding method: Lay the bag flat, fold the opening down 3-4 times, then fold the sides inward slightly, then turn it over and pinch it tightly, finally straighten the bag.
Straw sealing method: Use two straws of the same size, cut one vertically, roll the other one with the bag opening, then place the cut straw on top to seal the bag opening.
Heat sealing method: Flatten the bag opening, wrap a magnetic strip card around the opening, then heat it with a lighter nearby, and continue moving the card position to seal it.
Steps and precautions for various sealing methods
Folding method: Lay the bag flat, fold the opening down 3-4 times, then fold the sides inward slightly, then turn it over and pinch it tightly, finally straighten the bag. This method is simple and easy to use for various types of packaging bags.
Straw sealing method: Use two straws of the same size, cut one vertically, roll the other one with the bag opening, then cover it with the cut straw. This method uses the elasticity of the straw to seal the bag opening, and the effect is very good.
Heat sealing method: Flatten the bag opening, wrap it with a magnetic strip card, then heat it with a lighter nearby. This method is suitable for packaging bags that require high sealing, but safety precautions should be taken to avoid burns.

 

 

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