The difference between sulphate and sulphite pulp wood pulp-Iota

Products

News

Office Address:	Sunmoon Science Park, 985 Xingzhong Road, High-Tech Zone, Bengbu, China
Factory Address:	Mohekou Industrial Park, Huaishang District, Bengbu, Anhui, China
Contact:	Nathan Zhang
Phone:	0086-552-19805521900
FAX:	0086-552-3822922
Mobile:	19805521900/18119733779
WebSite:	www.siliconeoil.cn www.siliconeoil.net
Email:
QQ:	729118868

Service > The difference between sulphate and sulphite pulp wood pulp

The difference between sulphate and sulphite pulp wood pulp

Kraft pulp
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.
Sulfite pulp
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.

Feedback to "Iota Silicone Oil (Anhui) Co., Ltd."