Longhai
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- Reduces wear and friction: Specially formulated anti-wear additives minimize friction between engine components, protecting pistons, camshafts and bearings.
- High Temperature Stability: Maintains viscosity at extreme temperatures, preventing oil breakdown and ensuring continuous lubrication.
- Prevents sludge and deposits: Advanced detergents and dispersants keep engines clean by preventing the formation of harmful sludge and carbon deposits.
- Corrosion Resistance: Protects engine components from rust and corrosion, even in wet or harsh conditions.
- Low friction formula: Reduces internal engine drag, helping to improve fuel economy and reduce emissions.
- Excellent cold-start performance: Smooth flow at low temperatures ensures fast engine starts in winter.
- Stable high-temperature performance: maintains protective lubrication in hot weather or under heavy loads.
- Meets API SJ standards: Suitable for a wide range of gasoline engines, including older engines requiring SH or SG oils.
- Seal-friendly formulation: Compatible with engine gaskets and seals to prevent leakage.
| API Certification | SJ |
| SAE Viscosity Grade | 10W-30, 10W-40 (other options available) |
| Base Oil Type | Highly refined mineral/synthetic oils |
| Key Additives | Antiwear (ZDDP), detergents, antioxidants, defoamers |
| Operating temperature range | -25°C to 40°C (-13°F to 104°F) |
This engine oil meets API SJ standards, making it highly suitable for gasoline engines that specify API SJ, SH, or SG performance classifications.
The standard available options are SAE 10W-30 and 10W-40. Other viscosity grades can also be provided depending on specific customer requirements.
It has excellent stability at both high and low temperatures. It flows smoothly in cold weather for quick start-ups (down to -25°C) and maintains viscosity in hot weather to prevent breakdown.
For optimal performance and engine longevity, we recommend changing the engine oil every 5,000 to 6,000 kilometers, or as recommended by your vehicle manufacturer.
Yes, it features a seal-friendly formulation specifically designed to be compatible with typical engine gaskets and seals, effectively preventing oil leaks.
The low-friction formula of our SJ engine oil minimizes internal drag within the engine, optimizing fuel combustion efficiency and reducing overall emissions.
