In order to more comprehensively analyze the problem of surface roughness of EPDM extruded products, it becomes essential to combine the data analysis with the measurement parameters in actual production.

Protective wax, as an indispensable additive to rubber products, its core function is to prevent the aging of rubber in the process of use. Its mechanism of action is complex and diverse, including building physical barrier, trapping ozone molecules, delaying chemical reaction process and so on.