Different manufacturing processes of plastic films lead to differences in the surface morphology of the product, which usually affects the smoothness of film when it passes through machines and equipment. Effectively control the coefficient of friction（COF) of packaging films to improve production line efficiency. coefficient of friction（COF) has always been a major difficulty in the flexible packaging industry. The coefficient of friction (COF) of packaging film production processes is an issue that film manufacturers and distributors have to grapple with every day. In order to solve this problem, film manufacturers usually use additives in the film manufacturing process to further improve the film manufacturing process, thereby controlling the friction coefficient of flexible packaging and minimizing the impact of this adverse factor.

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Coefficient of friction tester(COF tester) is used to measure the coefficient of friction of plastic films, sheets, paper and other materials when they slide on the surface of itself or other materials. It is used in quality inspection, drug inspection, scientific research, packaging, film, food, medicine, daily chemical and other industries. In order to detect changes in friction coefficient of materials under various conditions, packaging film manufacturers generally use professional friction coefficient testers as a means of detection and control.

standards:  ASTM D1894-2014, ISO 8295-2004, TAPPI 816

Therefore, it is the time for film manufacturers to find the best way to control the coefficient of friction so that direct users and end users can obtain high-quality products with large output and few failures that can continue to operate, and tailor solutions according to customer needs and actual applications. problems that need to be faced.