Manufacturing Process And Use Of Kraft Paper Cardboard
Manufacturing Process And Use Of Kraft Paper Cardboard
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When it comes to kraft paper, I think everyone will be familiar with it. Also called kraft paper or cardboard. There are brown kraft paper, light kraft paper. It is harder than ordinary cardboard. Very stable. It has extremely high compressive strength. Has good puncture resistance and folding resistance. It has good moisture resistance and good appearance. It is mainly used to manufacture foreign trade packaging cartons and domestic goods packaging cartons.
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Generally, the proportion of raw materials for producing kraft paper in foreign countries is generally 100% natural sulfate pulp. A few use natural sulfate wood pulp noodles. Due to insufficient wood resources, waste pulp is used as the core layer and bottom layer, so 40% is passed. -50% wood pulp noodles, using wheat straw pulp, straw pulp, mulberry pulp, bagasse pulp, waste paper pulp and one or two other mixed pulps as the core layer and bottom layer, and develop 100N bamboo pulp, or use 60%- 70% bamboo pulp, straw pulp or waste paper pulp, or 20% wood pulp, cotton straw pulp, and kenaf straw pulp, etc., finally sizing and calendering to make kraft paperboard, its pulping and other papermaking processes, and finally sizing and calendering Made of kraft paper cardboard, with a sizing degree of 0.75mm or more, it has strong water and moisture resistance.
What is the purpose of kraft paper?
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Kraft paperboard is a premium paperboard used for shipping and packaging. It is harder than ordinary cardboard. Very stable. It has extremely high compressive strength. Has good puncture resistance and folding resistance. It has good moisture resistance and good appearance. It is mainly used to manufacture foreign trade packaging cartons and domestic high-end goods. Packaging cartons.
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