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What is a three-side sealing food packaging bag

Views: 504 Author: Soonseal Publish Time: Origin: www.sealingwell.com

There are many technical terms for food packaging bags, such as three-side sealing food packaging bags, four-side sealing food packaging bags, back-sealing bags, self-supporting bags/standing bags, aluminum foil bags, etc.
Many buyers don’t know exactly how these are distinguished. Let’s briefly introduce what a three-side-sealed food packaging bag is?
Like a bag, the three-side seal is actually to seal the three sides of the bag about one centimeter each, leaving only one opening. This is the opening. You can put food or other items in, and then seal this well.
The advantages of the three-side seal: the three-side seal food packaging bag has excellent sealing performance, high barrier degree, ultra-low oxygen and moisture permeability, moisture-proof, anti-fouling, radiation-proof and anti-corrosion, strong mechanical properties, bright and practical appearance, non-toxic and odorless In line with national standards.
Vacuum packaging bags often use the three-side sealing method of bag making.

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