ETHANOX™ 4757 is an octylated, butylated aminic antioxidant that provides oxidation control and thermal stability to maintain and extend the life of lubricants by reducing viscosity and the formation of deposits and sludge. It is appropriate for various applications, including industrial lubricants, greases, automotive fluids, and oils.
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ETHANOX™ 4757 is an ashless aminic antioxidant specially designed to provide excellent performance in a variety of applications, including industrial lubricants, greases, automotive fluids, and oils. It offers exceptional thermal stability and oxidation control to reduce viscosity and the formation of deposits and sludge, aiding in maintaining and extending the life of lubricants. It also exhibits synergistic performance when used with other ETHANOX™ hindered phenol antioxidants, such as ETHANOX™ 4701 and ETHANOX™ 4716.
Physical form, 20°C: Clear and bright liquid
Color: Yellow to amber
Density at 20°C, mg/L: 0.974
Flash point (CC), °C: 195
Pour point, °C: 12
Kinematic viscosity at 40°C, cSt: 446
TBN, mg KOH/g: 180
Basic nitrogen content, %: 4.55
Residual DPA content, %: 0.47
CAS number: 68411-46-1
Primary Chemistry: Mixture of tert-octyl and tert-butyl diphenylamine
Corrosion of steel and copper Poor compatibility of antioxidants with elastomer seals Poor thermal stability Short lubricant lifetime Reduced viscosity from oxidation Deposit and sludge formation
Industrial lubricants Finished fuels Lubricating oils Transmission fluids Slideway oils Quench oils Engine oils Gear oils Jet fuels Gasoline blend components Industrial lubricants Greases Automotive fluids Highly refined oils used for electrical insulation R&O inhibited oils used in steam turbines and hydraulic systems Pipeline and aviation fuel
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