Industrial Varnish Prevention

Lubricant varnish production is a problem that will affect most rotating equipment at some point in its normal service lifetime, leading to production losses.

Varnish begins its life as a dissolved degradation product before converting to particulate form and depositing on metal surfaces. Most approaches in the market place do not address this root cause.

Learn more about the cause of lubricant varnishing and strategies to solve it by downloading our recent varnish white paper.

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Product Spotlight

EPT - Oil Analysis

Clean and Restore

Our soluble varnish removal (SVR) system targets and eliminates the primary cause of varnish formation – dissolved oxidation breakdown products.

EPT - Oil Analysis


Our Non-Spark Discharge (NSD) filters suppress filter sparking by significantly reducing friction. This eliminates the related high-temperature fluid breakdown protecting antioxidants and base oil.

EPT - Oil Analysis

Results Verification

EPT customers receive verification of results through our lab. For remote sites, we also offer Membrane Patch Colorimetry (MPC) test kits for on-site varnish potential testing.