Various materials for anti -static plastic packaging bags.pint zipper vacuum bag Vendor

　　There are many types of plastic packaging bags. Generally customizing plastic bags may be just handbags, such as supermarket shopping bags. However, there is a plastic packaging bag called composite bag. As the name suggests, it is made of several layers of materials. It is much complicated and often used in industrial and food packaging.

　　Plastic packaging bags, composite bags are usually composed of three -layer materials, the characteristics of different levels are as follows:

　　Outer layer: enhance the mechanical strength, heat resistance, printing performance and optical properties of the bag body.

　　Middle: Highlight the main functions of the composite structure, such as blocking performance, saving incense performance, etc.

　　Inner layer: mainly sealed performance, followed by the resistance, falling, and closed performance of packaging materials.

　　Anti -static packaging bags actually have many names, such as (aluminum foil bags, vacuum packaging bags, shielding bags.) These can be called anti -static bags. We are classified by materials first, mainly aluminum materials and electronic films, nylon, PE materials. Function: They all have waterproof, anti -static, moisture -proof, dustproof, but the permeability and water vapor through the material differently, food packaging bags. For example, the four -layer aluminum foil bag is not only anti -static, moisture -proof, waterproof, dustproof, but also shading, vacuum is very good. It is widely used in food, Yiliao, Electricity, Chemical, Communication, PCBA, chip IC, optics Wait for packaging. The anti -static bag is used in daily electronic products and industrial electronic products, photoelectric communication, motherboard, graphics card, memory, chip IC anti -static, moisture -proof, waterproof, dustproof packaging, etc.

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