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Grease Analysis

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Grease Analysis

The primary function of grease is to coat the  machine surfaces and to lubricate them without leakage due to centrifugal forces or pressures. Also, Grease must be able to flow throughout all components it is intended to.

A huge fraction of component bearings is being lubricated with grease. Routine grease testing is an important part of predictive and preventive maintenance programs.

 

TUV India’s Routine testing and analysis helps to determine :

  • Grease Condition – normal, contamination present, oxidized, remaining useful life
  • Bearing Condition – the level of tear
  • Frequency of re-greasing – application intervals
  • Condition of the System
  • Contamination Scrutiny

TUV India provides range of condition monitoring services that consist of elemental examination,  Particle Quantifier (PQ) and wear debris study for Grease applications.

Recommended tests for grease are :

Test ParametersTesting Methods
Wear Metal and Contamination MetalsASTM D5185
Cone penetrationASTM D217
AcidityIS 1448 (Part-2)
Free AcidASTM D128
Alkalinity 
Free AlkaliASTM D128
Dropping PointASTM D2265 & D566/ IP 396
Oxidation StabilityASTM D942/ IP 142
Copper CorrosionASTM D4048/ IP112
Oil SeparationASTM D4425 & D1742/ IP 121
Evaporation LossIP 183
Water washoutIP 215
Water ContentASTM D128
GlycerinASTM D128
SulphurASTM D4294 & ASTM D5453
Unsaponifiable MatterASTM D128
Soap ContentASTM D128
ASHASTM D128
ViscosityASTM D445/ ISO 3104
DensityIS 1448 (Part-16)/ ASTM D1298
Cone PenetrationASTM D217/ IP 50/
Analytical FerrographyASTM D7690

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Grease Analysis

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