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Industrial Lubricants & Grease | By Weight | ISO VG GRADE


International Standards Organization -  a worldwide organization that sets standards and classifications for lubricants.  This organization creates the ISO-Viscosity Grade (VG) System it is an international system approved by the International Standards Organization, for classifying industrial lubricants according to viscosity. Each ISO viscosity grade number designation corresponds to the mid-point of a viscosity range expressed in mm2/s at 40C.