The reasons and Countermeasures of printing exclusion
The causes of exclusion
1. Poor drying of background ink.
2. After printing ink and background ink wettability is poor.
3. Background ink surface tension is too large.
4. The compatibility between the two colors is too poor and the rejection is serious.
Solutions to exclusion
1. Adjust the solvent ratio and drying temperature of the oven to improve the dryness of the background ink.
2. After adjusting the ink viscosity, the ink flow increases.
3. Adjust the ink formula to improve and reduce the surface tension of the previous color ink, you can also add additives in the ink.
4. It can be greatly improved by reducing the pressure of roller.
Dongguan Beite packaging materials Co., Ltd. - located in Dongguan City, the world's manufacturing city, is a subsidiary of Beite packaging (China) Co., Ltd., with a plant area of 6000 square meters. It is a flexible packaging enterprise integrating R & D, production and sales. It has a complete set of domestic advanced production equipment, a scientific and humanized management system and a group of experienced technical personnel For backing, to provide customers with quality products and first-class service.
The company produces composite bags, roll film, fruit bags, aluminum foil bags, suction mouth bags, self-supporting bags, zipper bags, anti-static bags, special-shaped bags, etc., which are suitable for the internal and external packaging of food, daily chemicals, electronics, toys, medicine, cosmetics, industrial products and other industries.
We uphold the integrity of cooperation, good quality, good service business philosophy, won the industry's approval, products sold to all over the world; welcome friends from all walks of life to inquire, visit our factory to investigate guidance and business negotiations.