Performax Excel

National Perfomax Excel are monograde available as SAE 10W, 30, 40 and 50 grades and are a high performance premium quality diesel engine oils designed for mixed fleet applications. They are formulated using high quality paraffinic base oils with selected additives for all turbocharged or naturally aspirated diesel and gasoline engines. This oil is suitable for high-speed, four-stroke cycle operating under severe service conditions.


  • Mixed fleets of both diesel and gasoline engines where monograde is preferred.
  • Off-highway vehicles and plant machinery.
  • Commercial road transport.
  • Manual transmission and mobile hydraulic systems.
  • Longer engine life due to protection against high temperature piston deposits.
  • Good protection against corrosion and rusting.
  • Enhanced wear protection and engine cleanliness under severe operating conditions.
  • Longer oil drain intervals due to higher level of alkaline reserve.


Performance Standards

  • API CF/CF-2/SF
  • MB 229.1
  • ACEA A3/B3-98
  • VW501/505

Typical Characteristics

SAE Grade 10W 30 40 50
Specific gravity, 15 °C 0.872 0.895 0.899 0.903
Flash Point (COC), °C 215 223 238 245
cSt @ 40 °C 39.1 107.1 167.2 206.6
cSt @ 100 °C 6.42 11.8 15.2 18.2
Viscosity Index 115 99 98 97
Total Base Number, mg KOH/gm 11.0 11.0 11.0 11.0
Sulphated Ash, m % 1.35 1.35 1.35 1.35
Pour Point, °C -30 -15 -9 -9

Handling, Health And Safety
Lubricant consisting of highly refined mineral oils with specific additives. In normal conditions of use this lubricant presents no particular toxic hazard. All lubricants, of any kind should be handled with great care, particularly avoiding any contact with the skin.

Prevent any splashing and keep away from combustible materials. Store under cover and away from any risk of pollution. Disposes off the used oil correctly, don’t pour down drains, into watercourses or the soil.


Shelf Life For Our Products Is Five Years From The Production Date