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Stone paper has become more and more mature in its production and craftsmanship over the years, and it has been able to produce a variety of products not only base paper, and not much different from products made by ordinary paper. On the contrary, the advantages of stone paper are more reflected. NS.
After many years of technical improvement, the process of corona and coating on the paper surface has solved the problems of stone paper printing and powder falling. The use of oily inks can be printed on conventional Komori, Heidelberg and other printing machines, and offset flat-sheet printing. For gravure roll printing, the paper itself is a waterproof, environmentally friendly, non-toxic, biodegradable and environmentally friendly material. After printing, it feels soft and has a matte effect.
The manufacturing process of stone paper is as follows:
A new type of environmentally friendly material produced through the film blowing process and the calendering process is first crushed by sand and stone, and the stone paper is refined with a certain proportion of calcite CACO3+ high-density polyethylene HDPE.
Synthetic paper is produced into a special masterbatch through the calendering production method: dosing, blending, banburying, and extrusion, and then undergoes extrusion, calendering, stretching, cooling, and surface treatment.
The simple process is: granulation (material processing) --> paper making (salivation and
stretching) --> coating (paper surface treatment).
It can make various thicknesses from 80-600um, etc., and then produce decorative wallpapers, cartons, cartons, coated paper, cigarette paper, labels, cards, advertising decoration paper, mailing paper and special paper: for field work Paper, paper for underwater operations, paper for underground operations, special military paper, etc.
The cost of stone-based paper is 20-30% lower than the cost of alternative paper. The price of current paper continues to rise due to plastic restrictions, and stone-based paper is extremely competitive.
