Life vacuum food packaging bags we can see everywhere, vacuum bags in the selection and use of materials and their color requirements, today I will explain how to choose the vacuum bag for food.
1: vacuum bags are divided into single-layer and multi-layer
Ordinary vacuum bags for the PE single-layer material, such bags can be vacuumed, but the vacuum breakage rate and air leakage rate is relatively high, but the cost is low, there are many customers in order to save costs by choosing a single layer of PE bags as a vacuum bag to use. Good vacuum bags are multi-layer composite materials, such as: nylon / PE, this is a two-layer composite bag, such a strong bag, vacuum will not leak, most of the current food packaging bags are selected multi-layer composite bags as a vacuum bag.
2: material thickness and special properties of the material selection
Load different food should choose different thickness and different properties of the vacuum bag material, loaded with heavy products should choose thick material, loaded with light products to choose thin materials to save costs. Of course, the thicker the material, the higher the cost, but also the stronger. Different foods will have different properties, for example: salt-baked food oil to choose the oil-resistant materials, pickle food salt high to choose the acid and alkali resistant materials, the need for high-temperature sterilization or high-temperature cooking products to choose high-temperature-resistant materials.
In the production of bags must be informed of the requirements of the bag manufacturers, loaded with what products, products with what special requirements, etc., only to understand the specific details can be customized to come out of the product bags in order to avoid the use of the process of the problem occurs.