Introduction of moisture-proof paper What is kraft paper? What are the characteristics

　　Kraft paper, used as packaging material. High strength. It is usually tan. The semi-bleached or fully bleached kraft pulp is light brown, cream or white. Quantitative 80 ~ 120g/m2. Crack length is generally more than 6000m. Tear strength, rupture work and dynamic strength are high. Mostly web, but also flat paper. Using kraft softwood pulp as raw material, it was beaten and made by making paper on a Fourdrinier paper machine. It can be used as cement sack paper, envelope paper, plastic sealing paper, asphalt paper, cable protective paper, insulating paper, etc.

　　Kraft paper is tough and water-resistant packaging paper, brownish yellow, very versatile, commonly used in the production of paper bags, envelopes, operating books, record sets, files and sandpaper. The quantification range is 40 g/m2 to 120 g/m2, and there is a difference between single-sided light, double-sided light, and stripes in webs and flat papers. The main quality requirements are flexible and strong, high burst resistance, can withstand greater tension and pressure does not break.

　　Kraft paper has high pulling force, such as single light, double light, stripes, and no grain. Mainly used for packaging paper, envelopes, paper bags, etc.

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