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Paper packaging bags

Paper packaging bags, as the name suggests, use paper as packaging materials to make packaging containers to protect the packaging.

Four types of paper commonly used in food packaging paper bags

People's voice for health and environmental protection is increasing day by day, and green and environmentally friendly paper packaging bags is widely used in people's daily life again. For example, food-grade paper packaging applications, food paper packaging bags are widely used, from small oil-proof paper packaging bags and snack bags in food stalls to large food paper packaging bags , paper pads, takeaway bags, etc., such as McDonald's and KFC. Moreover, it has also changed from the traditional style of single color to the present, with various styles and exquisite printing. So, what kind of paper are the food paper packaging used in the food market customized?

When customizing paper food packaging bags, there are many types of paper to choose from. There are four kinds of paper that are often used: kraft paper, coated paper, white cardboard, and offset paper. Different types of paper have different toughness, smoothness and aesthetics. When customizing paper bags, food packaging bag manufacturers will compare and choose according to the use of paper bags and the characteristics of different papers to meet customer needs. Next, Lianxing Paper will briefly introduce the characteristics of these four kinds of paper commonly used for making paper packaging bags.

1. Kraft paper: It is made of coniferous wood sulfate natural pulp, which has high strength, usually yellowish brown, in addition to light brown, cream or white. The thickness is between 80 grams and 120 grams. Kraft paper has a high tensile force, with single light, double light, stripe, no grain and so on. It is mainly used to make environmentally friendly portable paper bags for supermarkets, food takeaway paper bags, packaging paper bags for chestnuts and other dried fruits, envelope bags, file bags, medical record bags, etc.

2. White cardboard: single-layer or multi-layer combination produced by bleached chemical pulping and fully sizing. White cardboard has a smooth surface and firm texture. At present, imported white cardboard occupies a larger market share in the domestic market. White cardboard is mainly used to make high-end and exquisite handbags, packaging bags, gift boxes, business cards, etc.

3. Coated paper: The main raw materials are coated base paper and paint. Pigments, binders and auxiliary materials are made into coatings, which are coated on the surface of cardboard by special equipment, dried and calendered. The surface is smooth and clean, and the printing performance is good. Labels, cartons, etc.

4. Offset paper: the paper surface is white and smooth, but the whiteness, tightness and smoothness are lower than that of coated paper, suitable for printing monochromatic or multi-color book covers, text, inserts, pictorials, maps, posters, color trademarks And various packaging products, in recent years, it has also been used to make dry fruit packaging bags such as chestnuts with low requirements.

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