<![CDATA[EC21 Product Catalogs - super sm]]> <![CDATA[High Anti-shear Liquid Viscosity Modifier Ethylene-propylene Copolymer OCP]]> <![CDATA[High Anti-shear Ethylene-Propylene Copolymer OCP in API SO SN CK-4 CJ-4 SAE 0W20/30/40 Engine Oil]]>