PACKAGE MATERIALS TESTING PRINCIPLE AND METHOD OF FRICTION COEFFICIENT ISO 8259
The coefficient of friction refers to the ratio of the friction between two surfaces to the vertical force acting on one of the surfaces. It is related to the roughness of the surface, but not to the size of the contact area. According to the nature of the movement, it can be divided into the dynamic friction coefficient and the static friction coefficient. Sliding friction is generated when two objects contact each other and slide relative to each other. The [...]