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The technical control of printing and related links has the problem of printing color difference and color fading, as well as quality problems such as dirty, paste, ink and overprinting, which are quality problems of daily customer complaints. The two methods of remediating the printed version are commonly used in the industry. The carton does not make money, and can only be saved from the production materials to reduce the production cost. The angle of the scraper should be appropriate. The inclination of the metal scraper should be ≤23°-25°, and the inclination of the PE scraper should be slightly larger. The product leaves no trace after peeling off the sticker. The process practice shows that the speed, temperature and adhesive of single-side machine have a great influence on the processing quality of corrugated board. Paper felt impact: The choice of press felt depends on the variety, quantitative and surface modification requirements of the paper produced. The spunlace base paper requires a fine surface and uniform consistency. Therefore, the choice of the blanket should give priority to the delicate surface of the blanket. Degree, in actual use, the ratio of wool net to felt is not less than 65%, and the ratio of surface fiber weight to wool net should not be lower than 30%, and the surface fiber fineness is not more than 8dtex, ensuring good surface modification. effect. Therefore, under the conditions of satisfying the vertical and horizontal wet and dry strength of the paper and the normal production of the paper machine, the degree of beating is reduced as much as possible. Especially when the moisture of the base paper is too high and the production speed of the machine is too fast, it is easy to shorten the preheating time and the short time of "eat glue" on the corrugated peak, so that the bonding effect and molding hardness of the paperboard are lowered. The cleaning degree of the cylinder surface of the large drying cylinder and the tightness of the scraper: the long-fiber low-slurry degree is relatively insufficiently combined with the paper fiber. If the large-cylinder scraper is not tight, the paper scraps are easily brought into the paper, causing hair loss. In addition, for the grassroots staff, paper companies, schools, the public and other different groups, the POPs science knowledge, conventions, project conditions and advanced technologies, the ecological environment department of our district has carried out a wide range of occasions on different occasions. Publicity and training activities, mobilizing the public and professionals to participate in the supervision of the work of reducing emissions, received good social results.
Not commonly used: dissolve the resin that has not exploded, fill the hole with a drop, and the printing plate can continue to be used. Products of ordinary grade and low grade, products with small print layout and short-distance transport, can choose 200g/133 or 250g/In first-class products or qualified products for printing. Corrugated cardboard boxes are poorly waterproof and moisture-proof, and have always been a defect in the market. Control the good paper 裱 工艺 工艺 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞 楞The workshop should first solve the problem of plant insulation, avoid sun exposure and reduce the greenhouse effect. When the paper is processed, the fine fibers are easy to fall off, resulting in hair loss, which is not conducive to the later hydroentangle compounding and use. The original paper that is put into storage should be inspected and controlled according to the standard. Water-based coated oil-proof food packaging paper has excellent water and oil resistance, and can replace fluorine-containing greaseproof paper, PE coated paper and wax coated paper on the market.
Production process technical conditions 1 slurry ratio using 100% bleached sulfate softwood pulp (indicator: brightness 88%-90%, dust degree not more than 25mm2 / kg, fiber length not less than 0mm, pulp degree 13-15OSR) . Tianyang Nanhua Paper Co., Ltd., Guangxi Laibin East Sugar Paper Co., Ltd. and Guangxi Fengxue Luzhai Paper Co., Ltd. have successively applied to become demonstration paper mills, and will complete the upgrading and upgrading of chlorine-free bleaching technology in June this year. The renovation work will also be completed by the end of this year. In order to effectively guide the pulp and paper enterprises to declare the pollutant discharge permit, and to carry out pollution prevention and control from the technical and management service enterprises, the Guangxi Environmental Protection Research Institute and other departments have intensively investigated the production and operation of the pulp and paper enterprises in the jurisdiction, and compiled the Guangxi "Pulp and Paper Industry Pollution Prevention and Environmental Management Technical Manual" "Guangxi Pulp and Paper Industry Pollution Discharge Permit and Standardized Management Technical Guide" "Guangxi Pulp and Paper Industry Special Treatment Plan" and other documents. However, the quality of printed fine screening products is not as good as offset printing and gravure printing.
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