Gravure is coated paper bags and packaging printing all the most common printing methods, no matter what printing will adopt a certain pollution. In this paper, it is said that an effective method for reducing pollution gravure coated paper bags. Gravure inks are generally solvent-based. At present there is a tendency to use water-based ink, but using a solvent ink process speed is much faster than the water-based ink, because the ink solvent evaporation beneficial plant dry. General color gravure printing process uses a higher concave-color printing 8-10 color printing process generally includes printing materials, Roller, embossing roller coated paper, ink systems, ink viscosity control and solvent recovery systems, drying oven ; line cutting and peeling device, coated paper quality control system provider to obtain the final product. Coated paper test methods: (1) the appearance, under fluorescent by visual. (2) size, paper weight with Sampler, the sample is placed on the accuracy of 0.01g of electronic scales, weighing weight is the weight of the composite of paper and PE; the sample was put into a common weighing Price ethanol solution coated paper, coated paper plant after soaking 20min, the PE and paper separated, washed, dried, weighed weight is PE film; film weight minus the total weight of the base paper is g weight; width tape measure with accuracy of 1mm. (3) health indicators Health indicators heavy metals, fluorescent material, bleaching and microbiological tests according to GB / T 5009.78 measured evaporation residue and potassium permanganate consumption according to GB / T 5009.60 Determination. Supply of coated paper, Jinxiang wholesale manufacturers, Guiyang coated paper by Paper Co., Ltd. Shandong Jinxiang. "Paper, wrapping paper, coated paper, paper products, cartons, paper bags, cardboard boxes, paper pulp" preferred Shandong Jinxiang Paper Co. (jinxiangzhiye.1688.com/)(www.sdjxpaper.com), the company is located: Chinese Licheng District, Jinan Huashan Industrial Park, over the years, Shandong Jinxiang Paper Co. to provide customers with the best quality of service, Contact: Zhao Lei. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Shandong Jinxiang Paper Co. expect to be your long-term partner!