Know about the vacuum food packaging should be how to choose!

Vacuum food are very common in our life, vacuum packaging, of course, we also can be seen everywhere. But vacuum packaging both in terms of material selection and use, as well as its color requirements, all have some knowledge of. As you all know? You must not so clear, today small make up for the friends are on the bottoms of food vacuum food packaging should be how to choose? 1: vacuum packaging can be divided into single layer and multilayer ordinary vacuum packaging for single-layer PE material, this bag can pumping air into vacuum state, but the breakage of vacuum and air leakage rate is high, but the cost is low, there are a number of customers in order to save costs will directly choose single-layer PE bags used as vacuum packaging. Good food vacuum packaging is multilayer composite materials, such as: nylon/PE, this is two layers of compound bag, the bag is strong, vacuum will not leak, at present most of the food packaging use multilayer composite vacuum bags. 2: the choice of material thickness and special properties of different food should choose different thickness and different properties of vacuum packaging materials, with the heavier products will choose thick material, with the choice of the thin light products material cost savings. Of course thick material cost is higher and higher, but will also be more strong. Different foods have different properties, such as: main salt baked food oily choose the oil resistant materials, pickled food of high salt to select material, need after high temperature sterilization or high temperature cooking products should choose high temperature resistant material. Having small make up to warn broad customer, in order to vacuum packaging of the bags production requirements tell manufacturers, pack what products, products have any special requirements, etc. , can only be produced in accordance with to understand the details of the specific products of vacuum food packaging bags, to avoid problems in the process of use.
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