What kinds of paper in printing and packaging? Now let Dongguan Haiying Color Printing Co., Ltd. introduce. There’s a lot of paper you can use. Different articles require different kinds of packing. Different kinds of packaging need different kinds of paper. Only choose the right paper. Printing houses are required to produce packaging that satisfies consumers. There are four main kinds of printing and packaging paper. Please pay attention to and understand the relevant knowledge.
1. Coated paper in printing and packaging
Coated paper is a base paper made of bleached wood pulp coated with a layer of white chemicals. It is made by calendering. So there are two types of coated paper. one side coated and two sides coated. Single and double copper for short. Because the pressure surface is divided into light and matte two. The industry is referred to as light copper and sub-powder.
Coated paper is characterized by high paper surface smoothness and whiteness. Small scalability due to a uniform thickness. It is mainly used for printing picture albums, posters, postcards, product catalogs, and color cards. Grams weigh 70-350g/㎡.Mainly flat paper.Less roll paper. Usually, more than 300g/ square meters of coated paper is called copper plate cards. Flat paper specifications are 787MMX1092MM, 787MMX870MM, 889MMXL194MM.
2. Offset paper
Offset paper is common in printing and packaging. There are two kinds: single-sided offset paper and double-sided offset paper. Its base paper is bleached wood pulp. It is made by gluing the surface of the base paper. The advantage is the smoothness is better. And evenly absorb printing ink. The disadvantage is that compared with coated paper, smoothness, density, printing effect is poor.
Mainly used in picture albums, publications, posters. Letterhead, envelope, etc. Offset paper according to the ratio of pulp material is divided into three types: special, 1 and 2.Gage weight ranges from 50-180g/㎡. There are flat paper and web paper.Flat paper specifications are 787mmx1092mm, 850mmx168mm, 880mmx1230mm.
3. letterpress paper
Letterpress paper is made from bleached stem pulp.No surface sizing or lightly sizing. It is the main paper used in letterpress printing of books and magazines. Letterpress paper is divided into 1, 2, 3, 4 four grades. The number represents the quality of the paper. The larger the number, the worse the paper.
Letterpress paper is characterized by uniform texture, no fuzz, slight elasticity, opacity, etc. Applicable to books.Books, academic journals, teaching materials, etc.Weight: 50~80g/㎡.There is flat paper and rolled paper. There are also some special size specifications of letterpress paper.
4. White cards in printing and packaging
White cards have two kinds: one side and two sides. Divide gray bottom and white bottom two kinds. in the beginning.Not easy to break when folded. Mainly used for high-grade packaging, hardcover book spines, promotional cards, and hanging cards, etc. Gram weight 220~400g/㎡ range.
gong@huaprinting.com