Precautions for plastic seals
Precautions for plastic seals Now the function is getting worse and worse. The aging mechanism is not the opposite. Among them, thermal (light) oxygen aging is a common and fundamental way of aging EPDM seals. 1. Fatigue aging Fatigue aging of EPDM sealant strips means that the molecular structure of EPDM sealant strips undergoes changes under the influence of certain frequency and periodic s