Copying Paper: A High-Quality Industrial Paper
Copying paper, also referred to as copy paper, is a type of high-quality industrial paper that presents significant production challenges. Its technical characteristics include excellent physical strength, uniformity, transparency, and surface properties. Let’s delve into the details of this remarkable paper variety.Get more news about
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Introduction
Copying paper is a premium-grade cultural and industrial paper with specific features:
Physical Strength: It exhibits high physical strength.
Uniformity and Transparency: Copying paper boasts excellent uniformity and transparency.
Surface Properties: The paper surface is smooth, fine, and free from bubbles or irregularities.
Printability: It is suitable for printing due to its exceptional ink receptivity.
Manufacturing Process
The production of copying paper involves two fundamental processes: pulping and papermaking.
Pulping: In this stage, plant fibers are mechanically or chemically processed to create the essential paper pulp or bleached pulp.
Papermaking: The suspended paper pulp fibers are processed and combined to form paper sheets that meet various requirements.
The paper mill typically stores enough raw materials for 4 to 6 months, allowing natural fermentation to occur, which aids in pulping and ensures continuous production. After preparing the raw materials (such as reeds, straw, and wood), they undergo cooking in chemical solutions or mechanical refining to produce paper pulp. The pulp is then washed, purified, and bleached to achieve the desired whiteness. Additional additives, such as fillers and sizing agents, are incorporated to enhance paper properties. Finally, the paper pulp is processed through the paper machine, resulting in either roll paper or cut sheets.
