Reply to "Are Viscosity Index Improver Polymers all that bad?"

hydrocarbonandtechnicalservices-jhMember

Again we simplify things by looking at Vis-Temp curves (hydrodynamic regimes), what is much more important is the same oil under extreme loads, please refer to the attachment from the SAE. EHL (or EHD) is more poignant with Vis-Temp-Pressure, not just Vis-Temp. We're talking about non-Newtonian fluids, and pressures do play such an important role. This very important attribute is not easily found, if ever, on a Technical Data Sheet.....

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2/13/106:38 PM

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