Description
SYN-ESTER GY-15 is a high molecular weight polymerized ester designed to totally replace or substantially reduce the amount of extreme pressure additives such as chlorine or sulfur in industrial oils and coolants. In straight oils maximum effectiveness is obtained when SYN-ESTER GY-15 is formulated with a phosphorous containing additive such as ADDCO 360P or an oil soluble active or inactive sulfur compound. When using SYN-ESTER GY-15, the amount of active sulfur can often be reduced by about 50-75%. In soluble oils and semi-synthetics no extreme pressure additives, other than SYN-ESTER GY-15, are normally required. SYN-ESTER GY-15 polymeric ester is ashless and burns off cleanly. Due to its low degree of unsaturation, SYN-ESTER GY 15 does not cause staining and has excellent thermal, oxidative and hydrolytic stability. Therefore, it is ideally suited for use in straight oils where performance at high temperature is required. SYN-ESTERâ„¢ GY-15 is soluble in all naphthenic oils. Solubility in paraffinic oils depends on the particular oil selected, ester concentration, oil viscosity and degree of hydrotreatment. It is an excellent replacement for lard and related lubricity additives. Since SYN-ESTER GY-15 is a saturated, branched chain polymer, it is expected to be less susceptible to biological attack than conventional fatty additives.

  • Excellent frictional characteristics
  • Contains no chlorine, sulfur, phosphorous or mineral oil

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