The selection and use of standard color printing packing bags, we should pay attention to the following points: 1. color printing packing bag factory is no smell, no smell, color printing packing bags in some particular way, don't be safe or not in the film packaging paper lynn. 2., color packaging bags should be marked with Chinese characters, marking the name of the production plant, site, product company name, but not marked in these two parts marked "food use".
Some color printing bags are not safe or packaged in food. This kind of color printing packing bag is usually made of recycled plastic. 5., because color printing bags are not easy to degrade the characteristics, will cause environmental pollution, thus, when buying food is better, very good green packaging materials. 6. as much as possible very good coating, coating packaging. At present, the packaging design, of course, is necessary to make the packaging more beautiful and corrosion resistant, the use of coated materials. You to scrap the material recycling problem, but most paint itself is toxic, if you eat these packaged foods, will produce great harm to our health and. Besides, the process of coating and plating also brings great pollution to the facilities. Such as evaporation of paint, toxic solvents, gases, electroplating, such as chromium and other heavy metals waste liquid, waste residue pollution. Therefore, as far as possible the use of non coated, coated packaging materials.
