ISO 32 Oil Equivalent | ISO 46 Oil Equivalent | ISO 68 Oil Equivalent

SAE 10W is equivalent to ISO 32, SAE 20 is equivalent to ISO 46 and 68, and SAE 30 is equivalent to ISO 100. 

Equivalent Viscosity of ISO-VG Grades at 40^oC and SAE Crankcase Oil Grades ... 22, 5W. 32, 10W. 46, 15W. 68, 20W. http://buysinopec.com/collections/hydraulics