What paper does food packaging usually use ？
When customizing food packaging bags, there are many kinds of paper available. Four kinds of paper are often used: kraft paper, copperplate paper, white cardboard and offset paper. Different types of paper have different toughness, smoothness and aesthetics. When customizing paper bags, food packaging bags manufacturers will choose according to the use of paper bags and the characteristics of different paper.
Kraft paper: It is made of coniferous wood kraft pulp with high strength, usually yellowish brown, in addition to light brown, cream or white. Thickness ranges from 80 g to 120 G. Kraft paper has high tension, single light, double light, stripes, no lines and so on. Mainly used in the production of supermarket environmental protection hand-held paper bags, food takeaway paper bags, chestnuts and other dried fruit packaging paper bags, envelope bags, file bags, medical records bags, etc.
Ivory paper: Single or multi-layer combination made from bleached chemical pulping and fully sizing. White cardboard has smooth surface and strong texture. At present, imported white cardboard accounts for a larger market share in the domestic market. White cardboard is mainly used to make high-grade and exquisite handbags, bags, gift boxes, business cards, etc.
Art paper: The main raw materials are copperplate base paper and coatings. The paint is made of pigments, adhesives and auxiliary materials. It is coated on the surface of cardboard by special equipment. It is made by drying and calendering. The surface is smooth and smooth. The printing performance is good. The thickness is 70-250g. It is mostly used for cigarette boxes, labels, cartons and so on.
Offset paper: The paper surface is white and smooth, but the whiteness, tightness and smoothness are lower than those of copperplate paper. It is suitable for printing colored or multi-colored book covers, text, inserts, pictures, maps, posters, color trademarks and various packaging products. In recent years, it has also been used to make dried fruit packaging bags such as chestnuts with low requirements.
