What material is good for vacuum packaging bags

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  First, you need to know which material is suitable for your product, and then determine the width, height and thickness of the product. If vacuum packaging is required and the product is not sharp (such as chicken feet, etc.), it is easy to pierce. For food vacuum packaging, I suggest you use a single layer 7-8 line.

  Then you can calculate the price of the vacuum bag more clearly.

  Price = one material + second material + third material + consumer ink price + consumer glue price + labor cost + manufacturer's profit + transportation and packaging fee

  The price of each material = length x width x thickness x specific gravity x unit price of the material

  Two bags of similar size and thickness usually have different prices. If the materials used are different, if the price of the two bags of pet/pe and pa/pe is larger, the price of the pet is higher than the price of pa. The unit price is much cheaper, if you need aluminum foil vacuum bag, it will be more expensive.

  The main material of

  vacuum bag is composite vacuum bag. The main structures are: PET/PE, PET/CPP, PA/PE, PA/CPP, PA/RCPP, PET/PA/RCPP, etc. The structure of the aluminum foil vacuum bag is: PET / AL / CPP, PET / AL / PA / CPP. There is also a co-extrusion vacuum bag, which is formed by co-extruding green materials such as EVOH, PA, PET, PP and PE at one time.

  Features of vacuum packaging:

  One. Exclusion of local air (oxygen) in the packaging container can effectively prevent food from decay. Can effectively prevent the exchange of substances in the package;

  Use packaging materials with excellent barrier properties (air tightness) and strict sealing technology and requirements. It can prevent food from losing weight and taste, and can prevent secondary pollution. Accelerate heat conduction;

  It has good antistatic, oxygen barrier, shielding, moisture-proof, shading function and excellent heat-seal performance;

  saves space, because it is vacuum compressed, the original air is removed from the air, and the volume becomes smaller.

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