The difference between kraft paper and paper bag

Paper bags are similar to kraft paper, mostly produced by coniferous wood sulfate pulp, and some bamboo pulp, cotton stalk pulp and rag pulp are also mixed in China, so the mechanical strength of paper bags is very high, and they are generally used to make cement, pesticides, fertilizers and other industrial packaging bags. In order to meet the requirements of filling, the paper bag paper requires a certain degree of permeability and greater elongation.
Kraft paper including box board paper, cement bag paper, high strength corrugated paper, brown cardboard. Kraft paper is made of coniferous wood sulfate color paste made of tough texture, strength, paper surface is yellowish brown high-strength wrapping paper, from the appearance can be divided into single-sided light, double-sided light, striped, striped and other varieties, quality requirements are slightly different. Kraft paper is mainly used in the production of small paper bags, file bags and industrial products, textiles, daily necessities of the inner packaging. Kraft paper is divided into U, A, B3 grades.