EPT Clean Oil
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
→Users often complain that before using Group II base-stock oils, they didn’t have a problem with varnish. As a result, Group II oils have a reputation for being varnish prone, leading users to
→Users often complain that their turbomachinery lubricant is not performing well because the varnish potential (MPC) number is elevated, or their oil is oxidizing when additives are still present. This drives users to
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