CST 6
CST 6 is also same as CST 4 except the viscosity ranges from 5 to 6, Although made from crude oil, Group III base oils are sometimes described as synthesized hydrocarbons. Like Group II base oils, these oils are also becoming more prevalent.
| Characteristics | ASTM Method | Results |
|---|---|---|
| Appearance | - | Clear & Bright |
| Color | D-1500 | L 0.5 |
| Density at 15 °C, kg/ltr | D-1298 | 0.84 |
| Kinematic Viscosity at 40 °C, Cst | D-445 | Min 31.5 |
| kinematic viscosity at 100 °C, Cst | D-445 | Min 5.8 |
| Viscosity Index | D-2270 | Min 125 |
| Pour Point , °C | D-97 | Max - 12 |
| Flash Point ,°C | D-92 | Min 226 |