Copy paper is a kind of high-grade cultural industrial paper with high production difficulty. The technical characteristics of this product are mainly high physical strength, excellent uniformity and transparency, and good surface properties. Many people will mistakenly think that it is sulfuric acid paper. In this paper, let's see if the copy paper is sulfuric acid paper.
    Is the copy paper a type of sulfuric acid paper? Copy paper is a paper with high strength and whiteness requirements. Most paper mills in China use imported wood pulp to make copy paper. The wood pulp used is best bleached kraft pulp. In addition to the use of imported wood pulp, bamboo pulp, stalk pulp, wheat straw pulp can also be used. Among them, the strength of the copy paper produced by bamboo pulp is also good, but the whiteness of the paper is low; if the straw pulp and wheat straw pulp are used, the whiteness of the produced copy paper is good, but the strength is low. Therefore, under conditions, imported bleached sulphate softwood pulp should be selected.
    Sulfuric acid paper, also known as plate-making sulfuric acid transfer paper, is mainly used in the printing and plate-making industry. It has the characteristics of pure paper, high strength, good transparency, no deformation, light fastness, high temperature resistance and anti-aging. It is widely used in hand drawing and pen/ Inkjet CAD plotter, engineering xerography, laser printing, art printing, file recording, etc. A substance with a hard film type. Sulfuric acid paper is solid, dense and slightly transparent. It has strong resistance to grease and water, is airtight, and has high wet strength. It can be waterproof, moisture-proof, oil-proof, sterilized and disinfected.
    The above describes the specific content of the copy paper is sulfuric acid paper, I hope to help everyone.
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