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In our daily life, vacuum food packaging is very common. Vacuum packaging bags are moisture-proof, high temperature resistant, high barrier, and tough. They are also required to be pollution-free and have no residual solvent pollution. So what are the differences in materials and precautions between vacuum packaging and other packaging?

1. Requirements for vacuum packaging bag materials
Due to the particularity of its use scenario, vacuum packaging bags have high requirements for the physical toughness and thermal stability of the material. Therefore, ordinary bags cannot be vacuum packaged. The materials that can usually be used to make vacuum packaging bags are PET, PE, PA, RCPP, AL, etc. Vacuum packaging can usually use RCPP as the inner layer, the middle layer is AL aluminum foil, and the surface layer can use commonly used PET. Finally, the effect of blocking, shading, and slowing down the deterioration of food is achieved.

2. Composite type
The above introduces the effect requirements of vacuum packaging and makes corresponding material recommendations. In fact, there are many kinds of material combinations for vacuum packaging bags, which can be roughly divided into two-layer and three-layer materials. Two-layer materials can choose PA+RCPP, PET+PE, PET+RCPP, or PA+PE; three-layer materials can choose PET+AL+RCPP, PET+PA+AL+RCPP, PA/AL/RCPP, PET/PA/PE. We can choose the material combination we want according to our needs.

3. Matters needing attention
In the process of customizing vacuum bags, we must determine the bag type, thickness, size, and material. It is best to provide samples, and we can directly quote production.

It should be noted that in the process of customizing vacuum bags, the specifications and sizes of the products must be very accurate and cannot be roughly estimated. Irregular bag shapes, too thin thickness, and uneven sealing may cause vacuum bags to leak during use. Only by strictly implementing specifications and sizes can we ensure that vacuum packaging bags that meet the use standards are customized.

The above are the key points for customizing vacuum packaging bags. Vacuum packaging is different from ordinary packaging. We must pay special attention to size and material issues when customizing to ensure future use experience.

Guoshengli Packaging, as one of the leading vacuum pouch manufacturers in China, can provide you vacuum pouches with best quality and reasonable price. Please contact us at sales@guoshengpacking.com for more details.