Base oil SN-400 is a product of petroleum feedstock refining by means of atmospheric and vacuum distillation, hydrotreating, dewaxing with selective solvents, propane deasphalting, and selective refining.
Applications: Used as feedstock for the production of industrial, engine, transmission, and other lubricating oils.
Characteristics:
• Kinematic viscosity at 100 °C — in the range of 9.0–10.5 mm²/s;
• Viscosity index — min 90;
• Carbon residue — max 0.10%;
• Acid number — max 0.008 mg KOH per 1 g oil;
• Ash content — max 0.005%;
• Flash point, open cup — min 225 °C;
• Pour point — max –15 °C;
• Color on CNT colorimeter — max 2.5;
• Sulfur mass fraction — max 0.3%;
• Density at 15 °C — max 903 kg/m³;
• NOACK volatility — max 8%;
• Autoignition temperature — min 165 °C.
Appearance: homogeneous transparent liquid.
Shelf life: 1 year from date of manufacture.
Corresponding to approximately ISO VG 460
