What Is the Difference Between Iso 32 and Iso 46?

ISO 32 Hydraulic Oil – ISO VG 32 Hydraulic Fluid is ideal for use in high-powered machine tools. ISO 46 Hydraulic Oil – ISO VG 46 Hydraulic Fluid is normally required for industrial plant working under high-pressure etc.

Is ISO 46 the same as AW 32?

Anti-wear grades

For instance, you may see AW 46 hydraulic oil while looking around. These oils perform at the same grade as their ISO counterparts. An AW 32 hydraulic oil is going to be at 32cSt at 40°C for instance. The difference here is that there are additives contained within the oil.

What is the difference between AW 32 and AW 46 hydraulic oil?

The main difference between AW32 and AW46 hydraulic fluid is the weight - AW32 is a 10-weight fluid, and AW46 is a 20-weight fluid. AW32 is a good all-season fluid best suited for use in cooler outside temperatures during the fall, winter, and early spring months.