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Phillips 66 El Mar® GEO, SAE Grade 30/40
Categories: Fluid; Lubricant

Material Notes: Phillips 66® El Mar GEO Oil is a high-quality, non-detergent, ashless gas engine oil designed primarily for use in Ajax 2-stroke cycle natural gas engines. The SAE 15W-40 viscosity grade meets the low-temperature viscosity requirements of Ajax engines where cold starts and frequent start/stop cycles may be encountered. El Mar GEO Oil is formulated to provide excellent resistance to oxidation and nitration, protect against ring and liner wear, minimize the formation of sludge and piston deposits for excellent engine cleanliness, and protect against corrosion. The absence of ash-forming additives results in clean intake ports to help maintain peak engine performance, and also helps extend spark plug life in spark-ignited gas engines. This oil is formulated to meet the requirements of gas engines equipped with exhaust after treatment devices.

Applications:

  • Ajax 2-stroke cycle natural gas engines (SAE 15W-40
  • Older, horizontal-type 2-stroke cycle natural gas engines, such as those manufactured by Cooper Bessemer and Worthington (SAE 30/40)
El Mar GEO Oil is approved for use under the following OEM specification:
  • DuPont Specification A4V4
Features/Benefits:
  • Ashless formulation helps minimize port deposits
  • Protects against sludge and varnish formation
  • Excellent resistance to oxidation and nitration
  • Protects against scuffing and wear
  • Protects against rust and corrosion
  • Excellent water-separating properties
  • Low carbon-forming tendency
  • Compatible with emissions system catalysts
  • Does not contain any bright stock, which can cause harmful carbon deposits

Information provided by Phillips 66 Lubricants.

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Physical PropertiesOriginal ValueComments
Specific Gravity 0.885 g/cc
Density 7.37 lb/gal
Viscosity Measurement 91Index
Kinematic Viscosity at 40°C (104°F) 133 cSt
Kinematic Viscosity at 100°C (212°F) 13.1 cSt
Ash <= 0.010 %Sulfated; ASTM D874
ASTM Color 3.0ASTM D1500
 
Chemical PropertiesOriginal ValueComments
Total Acid Number 0.14[mg KOH/g]; ASTM D974
 
Thermal PropertiesOriginal ValueComments
Pour Point -24.0 °C
Flash Point 280 °CCOC
 
Component Elements PropertiesOriginal ValueComments
Phosphorus, P 0.0030 %
 
Descriptive Properties
Carbon Residue0.05%ASTM D524

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WCON5351 / 198604

Proto3000 – 3D Engineering Solutions

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