Good-Rite® 3140

Inhibits oxidation in polyglycols.  Ucon fluids and diester synthetic lubricants.  Good high temperature inhibitor for both petroleum and synthetic lubricants.  Widely used in Ucon and polyglycol brake fluids at concentrations of 0.1 to 0.25%.  Prevents the depolymerization of polyoxyethylene and similar polymers.  Used as a high temperature oxidation inhibitor in both petroleum and synthetic base lubricating greases.  Effective in both static and dynamic oxidation tests.  Ucon is a registered trademark of Union Carbide.


Attribute Value
Typical Properties
Physical State Golden to Amber Pastilles
Use Concentration % Mass 0.1 - 1.0
Nitrogen (%) 7.3-8.3
Function Antioxidant
Chemical Composition Polymerized 1,2-dihydro-2,2,4-trimethyllquinoline
Color Golden to Amber
Density @15.6C MG/M3 (lb/gal) 1.06
Solubility Soluble in diesters, polyglycols and Ucon fluids. Insoluble in water and petroleum oils.
Application Group Application Description  
Lubricants Auto Fluids High Nitrogen antioxidant thermo-oxidative protection to polar lubricants, synthetic esters and brake fluids.
Lubricants Grease Non-volatile antioxidant provides thermo-oxidative protection and long-term corrosion resistance.
Lubricants Hydraulic Oil Antioxidant improves long term stability; and protects hydraulic oil from corrosion.
Brochures Line Cards Articles / White Papers

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