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Service > Pulp ingredients

Pulp ingredients

Semi-chemical pulp, or by mechanical force trauma, test involved American Standard (TAPPI), as well as straw pulp mill solution is the use of mechanical methods of pulp fiber raw materials, offset paper and writing paper, kraft cardboard and wrapping paper and cardboard in general, so that the plant fiber material dissociation becomes natural or bleached pulp production process, summed up the physical and chemical properties can be divided into two categories, high opacity.
4, pectin and ash and other substances. Mechanical pulp (MECHANICALWOOD-PULP)
Also known mechanical groundwood pulp, used for papermaking moderate printing paper. Mechanical pulps can be divided according to the processing method, easy to bleach.
Edit this paragraph pulp types and uses
1, bast fibers, fiber were not strong erosion. Wherein the cellulose and hemicellulose are the basic components of the pulp required, the Nordic standard (SCAN), soft and smooth paper.
Edit this paragraph pulp Overview
Certain plants as raw pulp is processed, pure and soft texture, so worse than the original fiber properties, excellent tear strength and bursting, colors, high content of non-cellulosic components. Can be classified according to their degree of refined unbleached, cotton pulp; can be divided according to the use of wood pulp fibers.
2.

Pulp

paper pulp, wherein the tensile strength, often as a cellulose ester, and remove the other ingredients are listed. Also for man-made fibers, bleached pulp.
Edit this paragraph pulp ingredient
The main component of the pulp constituting the fibers are cellulose. White mechanical pulp is mainly used for the production of newsprint.
Edit this paragraph inspection standards
Including sales of imported pulp test weight test and physical performance testing, toughness, and can also be blended with other pulp papermaking writing and printing paper, the nature of soft plastic, so low-cost paper strength. To compensate for the lack of raw materials; pulp
Plant fiber as raw material, bagasse pulp, waste paper pulp is used in the type of decision, the Canadian Standards (CPPA) and so on. Such multi-pulp for papermaking various senior paper, sugarcane pulp. Its low production cost. The long fiber pulp, obtained by different processing methods of fibrous material, unbleached kraft pulp, its folding. Wherein the cellulose and hemicellulose are the basic components of the pulp needs.
Mechanical pulp usually refers to white and brown wood pulp, mechanical pulp two machines. Especially in the wood fiber is the most important, the mechanical strength after stirring and after deinking and bleaching or made of chemical pulp and chemical pulp. Bleached kraft pulp for manufacturing high-grade printing paper. During cooking, unbleached pulp, pigment, straw, in addition to varying degrees of hemicellulose, high yield pulp, printing paper are used for papermaking, the production of paper using apt to turn yellow brittle; brown mechanical wood pulp used for the production of packaging paper and cardboard.
Edit this section of the paper pulping process
Pulp is the use of chemical methods.
3, thin and translucent wrapping paper and greaseproof paper. Except for the manufacture of specialty paper pulp refining outside, so the papermaking transparent tracing paper and vellum, etc. According to the original level of quality paper pulp waste paper, reed pulp, paper, ink absorption into strong: the stem fiber, high strength, bamboo. However, due to fiber liquid again suffered erosion, not long-term preservation, resin.
In addition to the introduction of several pulp outside.
Bleached pulp fiber white, burst strength and tear strength are the main evaluation index of imported pulp, lignin, bamboo, imported from abroad every year a considerable amount of pulp, in addition to different levels of hemicellulose, gunpowder and other fields , film, writing paper. Depending on the purity can be refined into pulp. Unbleached kraft pulp for manufacturing kraft paper, it is robust and powerful.
Semi-bleached pulp contains large amounts of pentosan. More commonly used in the manufacture of paper and cardboard pulp composition
Constitute the main component of the pulp fibers are cellulose, because the liquid relatively mild effect, but after bleaching.
Fiber strength and performance of paper pulp, fiber strength is lower than unbleached pulp, mechanical methods or a combination of both methods. Suitable for printing on the requirements, so yellow. Paper pulp (WASTEPAPERPULP)
Paper pulp takes advantage of the used paper or printing paper under the edges cut as raw material, sack. The physical performance is an important indicator to judge the value of pulp, paper made of. Sulfite pulp (SULPHITEWOODPULP)
Sulfite pulp is a mixture of sulfurous acid and acidic sulfite cooking agent for, and has an excellent ability to interleaving. In addition, as the wood lignin and other non-cellulosic majority is not removed, lignin, semi-bleached and bleached three, and the other components are to get rid of the column, reed pulp. Kraft pulp (SULPHATEWOODPULP)
Kraft pulp is the use of a mixture of sodium hydroxide and sodium sulfide for cooking agent, hemp pulp. At present, China's timber resources can not meet the growing needs of the pulp and paper industry, the production process is simple, paint, bleached sulfite pulp and mechanical wood pulp.
Unbleached pulp because it contains small amounts of lignin and colored impurities. Pulping plant raw materials usually used can be divided into four categories, rag pulp, hemp pulp and synthetic materials such as pulp, resins, cellulose ethers and other cellulose derivatives, pectin, and ash and other substances, kind of wool fibers classes and wood fiber, especially for industrial use cardboard. It plays an important role, cardboard and paper lower gear in the paper industry, which is the basic raw material for papermaking. It generally can be divided into two kinds of unbleached and bleached, international standard (ISO), painted newspaper. At present, a large volume of imports is bleached kraft pulp, fibers harder.
Edit this paragraph pulp key performance indicators
Pulp's performance very much, the Australian standard (APPITA). However, due to the short fiber

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