HDAX 9500 SAE 40

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HDAX 9500 SAE 40 is a premium performance dispersant/detergent-type extended drain gas engine oil, designed specifically for gas engines running on landfill gas, biogas and digester gas, and for sour gas applications.

Premium performance extended drain gas engine oil

HDAX ® 9500 SAE 40 is a premium performance dispersant/detergent-type extended drain gas engine designed specifically for gas engines running on landfill gas, biogas and digester gas, and for sour gas applications. It is also suitable for use in some natural applications.

HDAX 9500 SAE 40 is formulated with premium base with very low levels of sulphur, nitrogen and aromatics. contains ashless dispersants, oxidation inhibitors, metallic detergents and anti-wear agents designed to prevent oxidation, corrosion, deposits, wear and scuffing.

Benefits

  • TEDOM
  • Oxidation/nitration resistance with base number retention provides extended drain, and compatible with very low oil feed rate engines
  • Dispersant/detergent system with oxidation/nitration resistance helps minimise oil thickening, sludge formation and filter plugging
  • Designed for optimum protection against corrosion caused by acidic condensate in intermittent operations in sour gas applications
  • Offers piston deposit control, helping provide cylinder liner scuff and abrasive wear protection, and longer engine service life
  • Formulated with optimised ash level for valve recession control and helps prevent potential pre-ignition
  • Low phosphorus additive formulation allows it to be used with catalyst systems

Applications

  • HDAX 9500 is designed for use in four-stroke engines running on landfill gas (including gas containing elevated levels of chlorofluorocarbons and/or siloxane), biogas, digester gas and sour gas. It is also suitable for use in some natural gas applications
  • The combination of good base number retention and oxidation/nitration resistance helps HDAX 9500 to deliver extended drain capability - even in applications where the oil feed rate is kept deliberately low, placing extra stresses on the lubricant. The dispersant/detergent system is formulated to help prevent sludge formation on cylinder liners, which could interfere with oil flow and lead to higher oil consumption
  • HDAX 9500’s robust corrosion control offers improved cylinder liner life even in intermittent operation in sour gas applications, which may result in the formation of significant levels of acidic condensate
  • HDAX 9500 promotes dependable control of carbonaceous deposits on pistons, helping maintain correct piston ring operation and scuffing protection to cylinder liners
  • Optimised ash level helps provide protection against valve recession and the formation of ash deposits in the combustion chamber that could lead to pre-ignition

Approvals

  • Jenbacher TA 1000-1109, Fuel Class B (biogas, sewage gas) and Class C (landfill gas) for the following engine types and versions: - Type 2 and 3 - Type 4 Versions A - Type 4 Versions B and D - Type 6 Versions C and E
  • MAN Truck & Bus M 3271-5 [1]
  • TEDOM 61-0-0281.1 Fuel types G, P, L, B, S [2]

Typical test data

Test Test Methods Results
Viscosity Grade SAE 40
Shelf Life: 60 months from date of filling indicated on the product label.
Density, 15 °C, kg/l ASTM D4052 0.873
Viscosity, Kinematic, 100 °C, mm²/s ASTM D445 13.4
Pour Point, °C ASTM D97 -33
Flash Point, COC, °C ASTM D92 270
Total Base Number, mg KOH/g ASTM D2896 5.4
Sulphated Ash, % wt ASTM D874 0.60

Source: PDS 18 September 2023 · Product Data Sheet

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