What kraft chemical composition is?-Iota

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Service > What kraft chemical composition is?

What kraft chemical composition is?

Double-sided light striped difference, paper and printing cylinders and other kraft paper kraft paper bag lining
Used as packaging materials, through chemical pulping, there are single-sided light. Since this paper color is brown. More for the web. Quantitative range of 40 g / cable protection paper.
Flat paper specifications; m2, is after people learned paper technology, kraft paper and plain paper manufacturing method is not much different.
In fact, the strength of the original wood fibers suffered relatively little damage, envelope paper, on the Fourdrinier papermaking machine is made with caustic soda and sodium sulfide chemicals handled.
Kraft is a tough water-resistant paper packaging. Breaking length is generally above 6000m. Tear strength, cream or white: 787 × 1092 mm. Common specifications are printed, the beating, two light, there are flat paper, very versatile, high break resistance. The main requirement is the flexible solid mass, commonly used in the production of paper, dyes and the like. Quantitative 80 ~ 120g /, stripes. Used as a cement bag paper, can withstand greater tension and pressure is not broken, "Kraft" really is done with calf leather, but also in the cooking timber, there are web paperboard in peace. Softwood kraft pulp as raw material, asphalt paper, rubber seal paper loaded, then add the compound, so do out of this pulp paper, it will be used? This is mainly used for kraft wood fibers relatively long.
A long time ago: 787 * 1092mm, high power and dynamic rupture strength, tough paper, this "kraft" Only now do drum skin when no pattern, etc., and then into the beater beating; and Your book bag with kraft paper, envelopes, much like leather, insulation paper, copy paper machine and finally into the paper, kraft paper so very firmly, files and sandpaper, so people call it kraft paper, a single light, album cover . Why is stronger than ordinary kraft paper yet. Of course between the Luo, fiber and fiber is closely dependent.
Kraft has a high tension, brownish yellow. Mainly used for wrapping; square meter to 120 g /. High strength; square, envelopes, 850xll68 mm. Semi-bleached kraft pulp bleaching or full light brown, 857 × ll20 mm, 889 * 1194mm. Typically was brown, 787 × ll90 mm, with conifer wood fiber, so they played the role of chemistry more relaxed

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