Varnish Removal Products for Turbine and Compressor Lubricants and EHC Fluids

MPC Varnish Potential Testing


Membrane patch colorimetry (MPC) varnish potential testing (ASTM D7843) is an essential analytical test to determine the propensity for a lubricant to form varnish deposits.

With the probability of varnish-related failures reported to be as high as 100% (GE TIL 1528-3), monthly MPC testing is recommended for all critical turbine installations.

The ASTM-approved MPC test is straightforward and can be completed as part of your existing lubricant analysis testing program. It can also be performed on-site using a modified test method for rapid assessment of potential varnish-related problems.

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