Unimers India Limited supplies Ethylene Propylene Diene Monomer - EPDM Rubber. Unimers India Limited is the manufacturer of ethylene propylene [diene] rubber [EPM/EPDM] using solution polymerization process. Ethylene Propylene Diene Monomer - EPDM Rubber a terpolymer of ethylene, propylene and a non conjugated diene is one of the most versatile speciality elastomer in commercial use. Ethylene Propylene Diene Monomer - EPDM Rubber has outstanding resistance to oxidation, ozone and the effects of weathering. It is also highly extendable, allowing high levels of fillers and plasticizers to be added while still maintaining good physical properties. This EPDM grades are available, varying in Mooney viscosity, molecular weight distribution, and ethylene/propylene ratio and cure rate.