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At present, due to the ban on plastics announced by my country and the increasing appeal of people's physical and mental health and environmental protection, low-carbon and environmentally friendly food paper packaging is once again widely used in everyone's daily life. For example, food-grade paper packaging is used, and food bags are widely used, ranging from oil-resistant paper bags and specialty snack bags for roadside snacks to food packaging, paper pads, and take-out food delivery bags such as McDonald's and KFC. And it has also changed from the traditional style with a single color tone to the present, with a variety of styles, and the packaging and printing are exquisite. So, what kind of paper is used for the food paper packaging used in the food wholesale market?
When customizing food bags, many types of food paper can be used, and four types are often used: wrapping paper, coated paper, white cardboard, and coated paper. Different types of paper have different toughness, gloss, and aesthetics. When customizing paper bags, food packaging bag manufacturers will choose according to the use of paper bags and the characteristics of different papers, focusing on customers.
1. Wrapping paper: It is made of lower coniferous tree potassium thiocyanate primary color pulp, which has relatively high compressive strength and is usually tan, in addition to light brown, milk coffee color, or milky white. The thickness is between 80 grams and 120 grams. The wrapping paper has high tensile strength, and some people place single light, double light, pattern, no pattern, etc. It is suitable for making environmental protection portable paper bags for shopping malls, food delivery paper bags, packaging paper bags for nuts such as chestnuts, envelope bags, file bags, medical history bags, etc.
2. White cardboard: single-sided or double-layer fusion produced by bleaching agent organic chemical papermaking and fully adjusted. The surface of the white cardboard is smooth and the material is stiff. At present, my country's sales market is dominated by imported white cardboard. White cardboard is suitable for making high-end and exquisite handbags, packaging bags, gift box packaging, personal business cards, etc.
3. Coated paper: The key raw materials are coated paper base paper and architectural coatings. The color paste, adhesive and auxiliary materials are made into architectural coatings, which are glued on the surface of the cardboard by professional equipment, dried, and troweled. The surface is bright and smooth, and the packaging and printing characteristics are excellent. Take cigarette boxes, signs, cartoons, etc.
4. Coated paper: The paper is white and smooth, but the gloss, tightness, and smoothness are smaller than that of coated paper. It is suitable for printing solid or gradient book covers, article texts, inserts, pictorials, topographic maps, propaganda posters, colorful trademark logos, and Various packaging supplies have also been used to make dried fruit packaging bags such as chestnuts with low standards in recent years.
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