25 years ago,Mr.Ron Muir presented a paper to the National Lubricating Grease Institute(NLGI) on a new technology that he developed titled"High Performance Calcium Sulfonate Complex Grease".This was the introduction of the modern version of the calcium sulfonate grease technology that we know today.Most other technology would be considered mature after 25 years on the market,however,calcium sulfonate complex grease continues to grow and to find new applications in the lubricant industry.According to the NLGI production survey,it accounted for more than 45 million pounds of production in 2011.This technology is noted for bringing value to the lubrication environment,over other technologies,particularly in areas where heat,water,and high loads exist.It is a technology that solves problems.It is used extensively in North America and Europe.This paper will review the chemistry and properties behind calcium sulfonate complex grease and will examine several industries where it has had an impact.
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