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#1
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| Refractometer Value ? Kool Mist #77 3200 RPM using Kool Mist #77 40:1 ratio, as flood coolant 11 gallon per minute steel and aluminum cutting. I got a $35 refractometer off ebay. Calibrated it to 0 with distilled water. Right now my flood coolant is reading 2.5 1-30 scale 20 celesus. Most of my tramp oil has been skimmed by a belt. Is this a correct reading. Can find nothing on what factor Kool Mist used as flood would be. I dont need perfect just a decent number. Thanks! . R. |
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#2
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| seems I am a bit high here is the recomendations from Kool Mist chemist. ![]() might explain why i have not a spec of rust.. |
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