Knowledge

Rubber Process Oils (RPOs) are a mixture of different hydrocarbons used as plasticizers in rubber formulations. Plasticizers play a crucial role in dispersing fillers, reducing viscosity, and improving flexibility by inserting themselves between polymer chains. RPO is classified into four main types based on its composition: Aromatic RPO Naphthenic RPO Paraffinic RPO Green RPO (Low PCA) Aromatic …