Interdepartmental Working found after coating leather cover, calendars, cards, packaging, etc., through the cover of the book bag, cut books, packaging and other processes are not found in blistering. But after a period of time. After delivery in the hands of customers are found blistered. Puzzling, but in fact it is nothing incomprehensible phenomenon. Also indicates that after the bubble and the ink layer film contained solvents and other chemical components of a great relationship, especially in large area printing graphics more obvious. Are used in chemical, machinery and other industries, especially widely used in food packaging industry. Kraft purposes: kraft paper is widely used in a variety of packaging supplies, paper bags, kraft paper bag, box, gift box kraft paper, kraft paper printing printing kraft paper, kraft paper notebooks, exercise books kraft paper, envelopes, kraft paper coating process requires special processing in film production personnel, according to the different nature of paper and ink and paper bags, the use of appropriate processing temperature and pressure, the adhesive plastic film and print paper firmly bonded into the unity of the whole paper and plastic. Film Product quality standards: the surface clean, smooth, not fuzzy, good finish, no wrinkles, no blistering, no separation occurs kraft paper and plastic bags factory, there is no pink foil marks. Appropriate degree of drying, non-sticky surface phenomenon bad film or paper. After cutting the size of the coated paper composite woven accurate size, smooth edges, no film. No curling, the winding curling problem. Preferably brightly colored ink, the use of the more eye-catching colors, so printing effect is better. Soft pastel colors and the most difficult to achieve the desired ink density, opacity and abrasion resistance expected results. In addition, if necessary, can be combined with a little white in the ink, there will be conducive to the achievement pastel colors or light needed, which copy pastel colors and pastel colors are very useful. With the increasing maturity of printing technology, some manufacturers even use UV ink, effectively improving the print color effects. Hebei paper composite bags | paper composite bags | packaging provided by Xiong Yu Xin Yu Xin plastic packaging plant. Xiong Yu Xin plastic packaging plant (www.xinyusl.com) (www.xinyusl.com) strong, credible, Baoding in Hebei composite packaging products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Yu Xin into the brilliant packaging and you work for a better future!