After mixing, the resulting properties should also be examined. The chart includes the main selection parameters, such as temperature, speed and load, as well as additional performance information. Web grease compatibility charts have been developed and circulated since the 1980s without much alteration. Web greases are available with many diferent thickener types, base oil types, and base oil viscosities. In order to decide whether greases are compatible, they need to match in terms of thickener type, base fluid, and additive.
The generic chart in table 1 is common within industry and reflects the compatibility result trends related solely to structural stability of the grease mixture. Learn more about these lab investigations, what the tests can tell you and get a. Compatible, borderline compatible and not compatible. Whether two greases are compatible will depend on the thickener type and base fluid as well as the resulting grease properties after the two grease types have been sufficiently mixed. Though manufacturers make grease compatibility charts available, information can be vague or contradictory.
Web technological advances have made grease compatibility a much more complicated proposition with the wide and complex array of thickeners used. Whether two different greases are compatible will depend mostly on the compatibility of the thickener used in the two products (although base oil compatibility can also be a consideration). It should be used with due diligence considering its limitations: Changing formulations and complexity in application have rendered grease compatibility charts unreliable. Amsoil recommends that when changing greases, the equipment be cleaned of the old grease when possible or flushed with a liberal amount of the intended new grease while the mechanism is in operation.
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Web grease compatibility charts can also provide an initial reference point. The list below is intended as a general guide only. This article will describe the most common examples of. Specific properties of greases can dictate compatibility. This chart is for reference only; Additional testing might be warranted. Additional testing might be warranted. Web grease compatibility charts have been developed and circulated since the 1980s without much alteration. It should be used with due diligence considering its limitations: But how is compatibility defined? Web compatibility charts for different greases. Learn more about these lab investigations, what the tests can tell you and get a. Web greases are available with many diferent thickener types, base oil types, and base oil viscosities. We recommend you consult with your equipment service manuals and/or conduct a grease compatibility test when in doubt. Web grease compatibility charts have been developed and circulated since the 1980s without much alteration.
Specific Properties Of Greases Can Dictate Compatibility.
Web the grease selection chart (pdf) provides you with a complete overview of skf greases. Our experienced lubrication engineers can recommend the optimum use of all these products. When a given lubricating grease is intended to be replaced by another one in a given application, there is always a question about whether or not they are both compatible. This chart is for reference only;
We Recommend You Consult With Your Equipment Service Manuals And/Or Conduct A Grease Compatibility Test When In Doubt.
Compatible, incompatible, and borderline compatible. The chart includes the main selection parameters, such as temperature, speed and load, as well as additional performance information. Web grease compatibility charts can also provide an initial reference point. Web grease compatibility chart relative compatibility rating b = borderline c = compatible i = incompatible note:
However, Grease Technology Has Changed Significantly Over The Years, And There Are Many Examples Of Performance That Contradict Several Widely Used Compatibility Charts.
Changing formulations and complexity in application have rendered grease compatibility charts unreliable. It is intended as a starting point to determine whether two greases might be compatible. Web research shows grease compatibility charts to be contradictory and dated. After mixing, the resulting properties should also be examined.
Web Proper Care Must Be Taken To Ensure Compatibility When Changing From One Grease System To Another, Including Cleaning If Possible, Compatibility Verification (Including Base Oil), Monitoring And Assessing, Purging And Flushing.
Additional testing might be warranted. Testing should be done to determine if greases are compatible. The grease is then inspected for visual abnormalities and can be tested for. Web in most charts, grease compatibility is divided into three categories: