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Description
The Atlas 20W-50 Semi-Synthetic SG/CD Engine Oil is engineered for robust performance and durability, combining premium base stocks and an advanced additive system to meet the demanding requirements of both gasoline and diesel powered engines.
Technical Specifications and Features
- Viscosity Grade (SAE 20W-50): This is a multigrade oil classified by the Society of Automotive Engineers (SAE). The "20W" denotes its cold-weather viscosity (Winter), ensuring adequate fluidity during start-up to minimize initial wear. The "50" signifies its high viscosity at normal engine operating temperatures (100°C), maintaining a strong protective film under high heat and heavy loads.
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Performance Standards (API SG/CD): The oil carries American Petroleum Institute (API) ratings for spark-ignition (S) and compression-ignition (C) engines.
- SG: A specific standard for gasoline engines from 1993, it provides enhanced protection against sludge, varnish, and wear compared to prior categories.
- CD: A classification for certain naturally aspirated, turbocharged, or supercharged diesel engines being operated in moderate to severe-duty service.
- Formulation: A proprietary blend of highly refined Group I/II mineral base oils and high-performance synthetic components. This semi-synthetic technology (or synthetic blend) optimises the lubricant's performance characteristics, offering superior thermal stability and oxidation resistance over conventional mineral oils.
- Additive System: Features a proven metallo-organic anti-wear additive system, which forms a protective layer on critical contact surfaces to control friction and wear. It also includes specialized detergent and dispersant additives to manage piston and ring deposits and suspend contaminants, preventing sludge formation and filter blocking.
Key Benefits
- Longevity: Formulated to resist in-service oil degradation, which contributes to long periods between overhauls and extended engine life.
- Protection: Delivers robust anti-wear and anti-corrosion properties across a broad operational temperature range, safeguarding vital engine components.
- Operational Reliability: The formulation ensures reliable performance in diverse operating conditions, from city traffic to motorway driving, and is compatible with engines running on PETROL, CNG, or LPG fuels.