What is grease compatibility chart?

A typical grease compatibility chart is shown in Figure 1. Compatibility of grease mixtures is typically categorized as follows: Compatible – The properties of the mixture are similar to those of the individual grease. Incompatible – The properties of the mixture are significantly different than those of the individual greases.

What is EP2 grease?

What is EP2 Grease? – Part 1 “ Lubricant greases are semisolid products that have high initial viscosity commonly applied in wheel bearings and constant velocity joints. They are made from emulsified soap with oil and provide parts with what is called “thixotropy”.

What is lubricant grease?

“Lubricant greases are semisolid products that have high initial viscosity commonly applied in wheel bearings and constant velocity joints. They are made from emulsified soap with oil and provide parts with what is called “thixotropy”.

What are the different grades of oil in Conoco products?

CS 100 (159201,2) COMPRESSOR OIL, DIESTER ISO32 AMSOIL SEI B CS 300 (74384,5) COMPRESSOR OIL, DIESTER ISO100 AMSOIL DCK A REAVELLITE 5000 COMPRESSOR OIL, DIESTER ISO100 AMSOIL DCK A Conoco Products ALUMINUM COMPLEX GREASE GREASE, AL.

What is the compatibility of greases?

Unlike the compatibility of oils, which is most often related to interactions of the additives in the products (and sometimes the nature of the base fluids themselves), the compatibility of greases is most often related to the thickener types of the products to be mixed (although base fluid compatibility is also important).

Why is grease compatibility confusing?

This is because the charts from the various manufacturers often disagree with one another on certain thickener-type combinations. In bygone days, when simple soaps and clay were the primary thickener types, …

Why is it necessary to perform compatibility testing on greases?

It is necessary to perform compatibility testing on combinations of these greases to determine whether the greases can be mixed in service. It is incumbent upon the user of the greases to verify compatibility when making a change from one product to another. Most grease suppliers have data on certain grease combinations or are willing to perform the required testing for their customers.

Can grease be tested on a mixture?

Once two greases are determined to be compatible in the above three areas, further testing to determine the impact on other performance parameters of the products may be warranted. Any test that is designed for measuring grease performance may be used on a mixture of greases to determine the effect on that parameter when the greases are mixed.

Is polyurea grease compatible with soap?

The compatibility of polyurea greases with soap-thickened greases is probably the most debated area of grease compatibility today. Greases based on simple lithium soaps (lithium stearate or lithium 12-hydroxystearate) and lithium complex soaps (containing simple soap and a complexing agent, such as lithium azelate) may or may not be compatible …

Can grease be mixed in service?

To add to the confusion, there are some grease specifications that are based solely on grease performance without regard to grease composition. If greases of different thickener types (both of which meet the performance requirements of the specification) get mixed in service, dire consequences can result.

Is lithium soap compatible with clay soap?

Lithium and calcium soaps were compatible with one another, and neither was particularly good when mixed with a clay-based grease. Today, with not only the aforementioned thickeners – but also complex soaps, polyurea, calcium sulfonate and even more exotic thickeners used in many greases – the issue of compatibility has become much more complicated. A typical grease compatibility chart is shown in Figure 1.