Paper is one of the most iconic inventions in the history of civilization. Not much has affected human life, culture, religion, and much more than its appearance. It was once truly worth its weight in gold. Today, the paperboard industry produces products that include various types of paper. Each year they produce 50 kg for each earthling.
By purpose, paper products are divided into paper:
- for printing (or, as the first German printers say, graphic views);
- packaging and cardboard;
- sanitary purposes;
- technical.
Most paper products are spent on printing needs. Of the total volume of paper and paperboard annually produced in the world (over 300 million tons), approximately 30% are graphic types of paper. In the railway format, this is 30 thousand trains of 50 cars each.
Most often in offices and printing production the following types of printing paper are used.
* Offset. Equally well displays both text and simple illustrations due to its high cellulose content. Documents are printed on it, magazines and books are stitched from its sheets. More resistant to mechanical damage than other types of paper.
* Newspaper. It is based on wood pulp and has a low density. Its main purpose is the production of periodicals and other newspaper products.
* Coated. High quality paper backing with a special coating. It has a beautiful appearance, while printing it retains the brightness of colors. Purpose - glossy magazines, promotional items, greeting cards, etc.
* Office. Good quality, resistant to mechanical damage, and therefore lasts longer than many types of paper. This is the daily consumables of any office (official documents, reports, invoices, price lists, etc.).
* With protection. Special purpose paper. It is used to protect the information printed on it in the form of documents, stocks, banknotes, bonds, etc. from fakes. Contains watermarks, artificial fluorescent fibers and other protective elements.
* Design. The subsection, which includes types of paper for business cards. They are combined by the presence of texture and various coatings to create a pleasant tactile sensation, a surface with a metallized or pearlescent coating. In addition to business cards, it prints postcards, invitations, envelopes, etc.
* Packaging. It has a highly specialized purpose - the packaging of goods or products. Available in several types with varying degrees of strength. The most durable is kraft paper, which is extremely resistant to mechanical damage.
* Self-copy. Coated multilayer paper, which when printing or writing on the first layer duplicates the information on the remaining layers. The main purpose - forms filled out in several copies.
* Self adhesive. Two-ply paper; one layer is protective, and the other, reverse printed, is provided with an adhesive coating. After removing the protective layer, the product adheres firmly to any flat surface. Products - labels, stickers, stickers.