We can see vacuum food packaging bags everywhere. The selection and use of vacuum bags have their color requirements. Today, I will explain how to choose vacuum bags.

一、材料厚薄以及特殊屬性材料的選擇

1、 Material thickness and selection of materials with special properties

裝不同的食品應(yīng)該選用不同厚薄以及不同屬性的真空袋的材料，裝的產(chǎn)品重就要選擇厚實的材料，裝的產(chǎn)品輕就選擇薄的材料節(jié)約成本。當然越厚的材料成本也就越高，但是也會越結(jié)實。不同的食品會有不同的屬性，例如：鹽焗食品的油性大要選擇耐油分的材料，泡菜食品的鹽份高要選擇耐酸堿性的材料，需要經(jīng)過高溫或者高溫蒸煮的產(chǎn)品要選擇耐高溫的材料。

The materials of vacuum bags with different thicknesses and properties should be selected for different foods. Thick materials should be selected for heavy products, and thin materials should be selected for light products to save costs. Of course, the thicker the material, the higher the cost, but also the stronger. Different foods have different properties. For example, the oil resistant materials should be selected for salt baked foods, the acid and alkaline resistant materials should be selected for pickle foods with high salt content, and the high-temperature resistant materials should be selected for products that need high-temperature disinfection or high-temperature cooking.

二、真空袋分為單層和多層

2、 The vacuum bag is divided into single layer and multi-layer

普通的真空袋為PE單層材料的，這樣的袋子可以抽真空，但是抽真空的破損率和漏氣率都比較高，但是成本低，有不少客戶為了節(jié)約成本選擇單層的PE袋作為真空袋使用。好的真空袋都是多層復(fù)合的材料制作的，例如：尼龍/PE，這個是二層復(fù)合的袋子，這樣的袋子結(jié)實，抽真空不會漏氣，目前大部分的食品包裝袋都是選用多層復(fù)合袋作為抽真空的袋子。

Ordinary vacuum bags are made of PE single-layer materials. Such bags can be evacuated, but the damage rate and air leakage rate of vacuum are high, but the cost is low. Many customers choose single-layer PE bags as vacuum bags to save costs. Good vacuum bags are made of multi-layer composite materials, such as nylon / PE, which is a two-layer composite bag. Such bags are solid and will not leak when vacuumized. At present, most food packaging bags use multi-layer composite bags as vacuumized bags.

在制作包裝袋的時候要清楚產(chǎn)品有什么特殊要求等，只有了解具體的詳情才能定制出來符合產(chǎn)品的包裝袋才能避免使用過程中問題的發(fā)生。

When making packaging bags, it is necessary to know what special requirements the products have. Only by understanding the specific details can we customize packaging bags that meet the requirements of the products and avoid problems in the use process.

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