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Wood-free paper is also called offset paper or glazed printing paper, which can be used to print monochrome and multicolor books, periodicals, pictorial, map, picture poster and so on. Wood-free paper is a high-class printing paper, and have a high requirement in the paper contrast, ratio of expansion and contraction, and surface strength.
Raw material: chemical wood pulp, bamboo pulp, rag pulp, straw pulp
Additive: filler, mucilage
Production stage: pulping, screening, refining, forming, pressing, drying
Needed machine: chain conveyor, pressure screen, pulper, refiner, fourdrinier machine
Production capacity: 50+tpd
Paper quantify: 70g/㎡-150g/㎡
Motor power: depending on the practical machine type, Leizhan provides energy-saving machines
End production: wood-free paper
Usage: periodicals, pictorial, map, picture poster, books etc.
Production period: about two-three months
Maintenance: Within one year, not-man-made sabotage
Wood-free paper production line can be divided into two big sections: pulping and forming. As the very first step of paper making, pulping decides the consistency and quality of paper pulp fiber.
Leizhan supplies high-quality pulping machines to produce wood-free paper. From chain conveyor, to pressure screen, hydrapulper, refiner, thickener, Leizhan can provide a whole set of paper making machine. The practical machine type depends on the paper mill production need.
1. ZG Series Drum Pulper
2. D Type Hydrapulper
3. ZDSZ Series M.C./H.C. Hydrapulper/ZDS Series Vertical Hydrapulper
4. ZSC Series High Density Cleaner/KH Series Low Density Cleaner
5. ZNS Series M.C. Pressure Screen/PZ Series Reject Separator
6. ZNPSeries Disc Thickener/ZDP Series Double Disc Refiner/DD Series Double Disc Refiner