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A3 / A4 Copy Paper Base Paper – Product Introduction
A3 / A4 Copy Paper Base Paper is high-quality uncoated woodfree paper designed specifically for the production of office copy paper. It serves as the raw material for converting into A3 and A4 copier paper through cutting, ream packing, and finishing processes. The paper is manufactured to ensure excellent runnability, printing performance, and consistency in high-speed office equipment.
Typical Technical Specifications
* Basis Weight: 70 g/m², 75 g/m², 80 g/m²
* Whiteness: 98–104% (CIE)
* Brightness: 100–110% (ISO)
* Opacity: ≥ 90%
* Moisture Content: 4.5–5.5%
* Surface Smoothness: Optimized for office printing
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Available Formats
* Jumbo reels for paper mills and converters
* Sheet supply upon request
* Customized reel width and diameter available
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Applications
* Production of A3 / A4 copier paper
* Office printing and copying
* Commercial documents and reports
* Books, manuals, and forms
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* Stable quality and uniform formation
* Excellent performance in high-speed office machines
* Cost-effective base paper for large-scale production
* Suitable for international standards and export markets
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