What can paper pulp do??-Iota

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Service > What can paper pulp do??

What can paper pulp do??

Edit this paragraph pulp types and uses
1. Mechanical pulp (MECHANICALWOOD-PULP)
Mechanical pulp mill, also known as wood pulp, the solution is the use of mechanical methods pulp mill fiber raw materials. It plays an important role in the paper industry. Its low production cost, the production process is simple, a paper strong ink, opacity, paper soft and smooth. Suitable for printing on request. However, due to the short fibers, non-cellulosic component content is high, so low-cost paper strength. In addition, as the wood lignin and other non-cellulosic majority has not been removed, with the production of paper easy to turn yellow and brittle hair, not long-term preservation.
Mechanical pulp usually refers to white and brown wood pulp, mechanical pulp two machines. White mechanical pulp is mainly used for the production of newsprint, can also be blended with other pulp papermaking and printing paper and writing paper; mechanical pulp used for the production of brown wrapping paper and cardboard, especially for industrial use cardboard.
2. kraft pulp (SULPHATEWOODPULP)
Kraft pulp is the use of a mixture of sodium hydroxide and sodium sulfide for cooking agent. In the cooking process, because the role of relatively mild liquid, fiber erosion were not strong, so tough and powerful, made of paper, its folding, bursting and tear strength is excellent. It generally can be divided into two kinds of unbleached and bleached. Unbleached kraft pulp for manufacturing kraft sack paper, kraft liner board and general wrapping paper and cardboard. Bleached kraft pulp for manufacturing high-grade printing paper, drawing paper, offset paper and writing paper.
3. sulfite pulp (SULPHITEWOODPULP)
Sulfite pulp is a mixture of sulfite and bisulfite for cooking agent. The long fiber pulp, the soft nature, good toughness, strength, easy bleaching, and has an excellent ability intertwined. Can be classified according to their degree of refined unbleached, semi-bleached and bleached three.
Unbleached pulp because it contains small amounts of lignin and colored impurities, so yellow, stiff fibers, used for papermaking moderate printing paper, wrapping paper thin and translucent paper and greaseproof paper.
Semi-bleached pulp contains large amounts of pentosan, therefore papermaking transparent tracing paper and vellum, etc.
Bleached pulp fiber white, pure and soft texture, but because after bleaching, fiber strength is lower than unbleached pulp. Such multi-pulp for papermaking various senior paper.
4. paper pulp (WASTEPAPERPULP)
Paper pulp takes advantage of the used paper or printing paper under the edges cut as raw material, mechanical strength and stir bleached or deinking made of.
Fiber strength and performance of paper pulp, waste paper pulp is the type used in the decision. However, due to fiber liquid again suffered erosion or damage to mechanical force, so worse than the original fiber properties. According to the original level of quality paper pulp waste paper, respectively, for papermaking printing paper, writing paper, cardboard and paper low profile.
In addition to the introduction of several pulp, there are straw pulp, reed pulp, bagasse pulp, pulp, cotton pulp, hemp pulp and synthetic pulp.

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