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GC ULTRA PERFORMANCE 10W-40

Description
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GC ULTRA PERFORMANCE SAE 10W-40 API SL is a premium multi-grade motor oil formulated with highly refined Group II base stocks and a thermo-durable additive package. Specially developed to meet the severe operational demands of ambient temperatures across the Kingdom of Saudi Arabia, it provides exceptional thermal stability, oxidation resistance, and engine cleanliness under high-speed highway driving and extended city idling.

Application Category Recommended Service Life / Drain Interval
On-Road Passenger Cars & Light Commercial Vehicles 5,000 km – 7,000 km (Optimized for Saudi summer heat exceeding 45°C)
Stationary Gasoline Engines & Field Water Pumps 200 – 250 Operating Hours (Depending on dust filtration and ambient heat loads)

Note: Actual drain intervals may vary depending on vehicle condition, fuel sulfur levels, severe dust exposure, and OEM engine recommendations.

  • High-Temperature Viscosity Retention: Maintains robust film strength at elevated engine operating temperatures, preventing metal-to-metal contact during peak KSA summers.
  • Thermal & Oxidation Control: Resists oil breakdown, varnish formation, and thermal thickening under severe stop-and-go driving.
  • Enhanced Engine Cleanliness: Active detergent and dispersant chemistry keeps pistons and crankcases free from harmful carbon deposits and sludge.
  • Superior Seal Compatibility: Conditions engine seals and gaskets to prevent leaks in high-mileage vehicle fleets.

TYPICAL PHYSICAL & CHEMICAL PROPERTIES

Property Parameter Method Unit Typical Value
SAE Viscosity Grade SAE J300 – 10W-40
Kinematic Viscosity @ 100°C ASTM D445 cSt 14.50
Kinematic Viscosity @ 40°C ASTM D445 cSt 98.50
Viscosity Index (VI) ASTM D2270 – 152
Density @ 15°C ASTM D4052 g/cm³ 0.868
Flash Point (COC) ASTM D92 °C 224
Pour Point ASTM D97 °C -33
Total Base Number (TBN) ASTM D2896 mg KOH/g 7.5
Apparent Viscosity (CCS) @ -30°C ASTM D5293 mPa.s (cP) 6,100
Sulfated Ash Content ASTM D874 % wt 0.82
Evaporation Loss (NOACK) ASTM D5800 % wt 11.2

PERFORMANCE SPECIFICATIONS & STANDARDS

  • API Service Category: SL / CF
  • SASO / GSO Standards Compliant (Saudi Standards, Metrology and Quality Organization)
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