• The Four States of Water in Oil

    The Four States of Water in Oil

    In the last 30 years or so, most of the literature, including Noria’s publications, refer to water as having three states. Free water has been redefined as being water that, by force of gravity, will phase out of the oil. This means it will separate below (most common) or above the oil phase depending on… Read More

  • What is Your Oil’s Impurity-holding Capacity (IHC)?

    What is Your Oil’s Impurity-holding Capacity (IHC)?

    There has been much said in recent years about the increased propensity of some modern oil formulations to produce sludge and varnish. Ironically, many of the oils accused of contributing to varnish are the same oils endowed with exceptionally high oxidation stability due to advanced refining technology and formulation science. Read More