Premium Mineral 20W-50 High Kilometre Engine Oil (PM20W50)

Nulon Premium Mineral 20W-50 High Kilometre Engine Oil is formulated with virgin mineral base oils and high-performance additives which provides ultimate protection for older or worn engines. Nulon Premium Mineral 20W-50 High Kilometre Engine Oil helps to reduce oil consumption, reduces further wear and protects the engine between recommended oil drain intervals. For turbocharged and more modern engines use Nulon Premium Mineral 15W-40 Everyday Engine Oil (PM15W40).


  • Designed to protect higher kilometre engines from wear
  • Increased viscosity slows oil loss or burning
  • Extra oil film strength quietens worn engines
  • Prevents sludge build-up from possible fuel contaminants
  • Maintains viscosity at high temperatures
  • Safe for catalytic converters
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Typical Characteristics
SAE Viscosity Grade 20W-50
Viscosity @ 100°C (cSt)  ASTM D445 18.91
Viscosity @ 40°C (cSt)  ASTM D445 175.5
Apparent Viscosity by CCS @ -15°C (cP) ASTM D5293 8330
Apparent Viscosity by MRV @ -20°C (cP) ASTM D4684 25900
Viscosity Index  ASTM D2270 122
Density @ 15°C (kg/L)  ASTM D4052 0.8837
Sulphated Ash (mass %)  ASTM D874 0.8
Total Base Number (mg KOH/g)  ASTM D2896 5.8
Flash Point (°C)  ASTM D92 226

Due to continued product research and development the information contained in this Product Bulletin is subject to change without notification.


NOTE: Not recommended for heavy-duty diesel engines. Refer to your vehicle service manual for correct lubricant requirements and service intervals.

CAUTION:  Avoid skin contact with used oil. Wear suitable gloves. If skin contact occurs, wash immediately with soap and water. Avoid prolonged and repeated contact with used oil. Protect the environment. Do not pollute drains, ground or water with used oil. Dispose of container as per EPA guidelines. Do not use this container for fuel or solvents.