Esso unirex n2 n3 same to National M3 Grease?

Esso Unirex N2 and N3 are not the same as National M3 Grease. While they are all multi-purpose lithium-based greases, they have different formulations and properties.

Esso Unirex N2 and N3 are both NLGI 2 greases, while National M3 Grease is an NLGI 1.5 grease. This means that National M3 Grease is slightly thinner than Esso Unirex N2 and N3.

Esso Unirex N2 and N3 have a higher dropping point than National M3 Grease. This means that they can withstand higher temperatures before melting.

Esso Unirex N2 and N3 have a higher viscosity than National M3 Grease. This means that they are thicker and more resistant to flow.

Overall, Esso Unirex N2 and N3 are more heavy-duty greases than National M3 Grease. They are better suited for applications where high temperatures, high loads, or high speeds are involved.