Base Oil
Base Oil (Group I) is a refined mineral oil used as the main raw material in lubricant formulations. It offers good thermal stability, oxidation resistance, and balanced viscosity performance for automotive and industrial applications.
Base Oils from Sepahan Oil (Group I) are high-quality refined mineral oils produced through solvent extraction and dewaxing processes.
These oils are available in different grades (SN150, SN350, SN500, SN600 – Low VI and High VI, and specialty grades like SOC-4), providing a wide viscosity range to meet diverse lubricant needs.
Key features include:
Thermal and oxidation stability for longer lubricant life
Wide viscosity coverage from light to heavy grades
Good additive compatibility for motor oils, greases, hydraulic, and gear oils
Multiple packaging options including drums, IBC, flexi-tanks, and bulk
Base Oils are the backbone of formulating automotive engine oils (gasoline & diesel), industrial lubricants, marine oils, and greases. With Sepahan’s production capacity exceeding 700,000 MT/year, consistent supply and global export standards are guaranteed.
| SN150 | Viscosity @100°C: 4.7–5.7 cSt • VI: ≥90 • Flash Point: ≥200°C • Pour Point: ≤–6°C • Density: ~880 kg/m³ • Color: Max 1 ASTM • Volatility: Max 15% |
|---|---|
| SN500 (High VI) | Viscosity @100°C: 10.5–11.9 cSt • VI: ≥90 • Flash Point: ≥245°C • Pour Point: ≤–6°C • Density: ~895 kg/m³ • Volatility: – |
| SN500 (Standard) | Viscosity @100°C: ≥10.8 cSt • VI: ≥87 • Flash Point: ≥235°C • Pour Point: ≤–3°C • Density: ~895 kg/m³ • Volatility: Max 5% |
| SN600 (High VI) | Viscosity @100°C: ≥12 cSt • VI: ≥90 • Flash Point: ≥246°C • Pour Point: ≤–6°C • Density: ~900 kg/m³ • Volatility: Max 3% |
| SN600 (Low VI) | Viscosity @100°C: ≥12.6 cSt • VI: ≥80 • Flash Point: ≥235°C • Pour Point: ≤–3°C • Density: ~900 kg/m³ • Volatility: Max 3% |
| SOC-4 (Special) | Viscosity @100°C: 4.36 cSt / @40°C: 20.3 cSt • VI: 120 • Flash Point: 210°C • Pour Point: –9°C • Density: 835 kg/m³ • Color: 0.1 ASTM • TAN: 0.03 mgKOH/g • Sulfur: 32 ppm • Saturates: 98% |
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