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Reply to "Varnish filtration options"

There are several posts under industrial lubrication and oil analysis links on this website dealing with varnish in steam turbines, about 2/3 down on both links. Discussions involve combining antioxidant package/varnish potential monitoring techniques (to prevent varnish)as well as success of different filtration techniques in removing varnish once it has started to accumulate. ASTM has workgroup to develop a standardized method for varnish potential
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