main cause:
(1) The winding tension or winding pressure is too high, or the winding is too tight;
(2) Normal visual phenomenon due to small film thickness (only 1 / 3-1 / 2 of dry composite film thickness).
Corresponding solutions:
(1) Properly reduce the winding tension or winding pressure;
(2) Properly increase the amount of glue, or change the ink components (such as increasing the proportion of titanium dioxide, etc.) to improve ink whiteness.
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.