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Contact SupplierAlmost every lubricant used in plants today started off as just a base oil. The American Petroleum Institute (API) has categorized base oils into five categories (API 1509, Appendix E). The first three groups are refined from petroleum crude oil. Group IV base oils are full synthetic (polyalphaolefin) oils. Group V is for all other base oils not included in Groups I through IV. Before all the additives are added to the mixture, lubricating oils begin as one or more of these five API groups.
Group I base oils are classified as less than 90 percent saturates, greater than 0.03 percent sulfur and with a viscosity-index range of 80 to 120. The temperature range for these oils is from 32 to 150 degrees F. Group I base oils are solvent-refined, which is a simpler refining process. This is why they are the cheapest base oils on the market.
| SN 65 | SN 70 | SN 150 | SN 500 | BS 150 | ||||
|---|---|---|---|---|---|---|---|---|
| SL.NO | Parameter | Method | Unit | Result | Result | Result | Result | Result |
| 1 | Flash point | ASTM D92 | °C | Min 170 | Min 174 | Min 200 | 250 | Min 250 |
| 2 | Pour point | ASTM D97 | °C | Max - 6 | Max - 6 | Max - 3 | -3 | Max - 3 |
| 3 | Density at 15 °C | ASTM D1298 | Kg/l | 0.85 | 0.85 | 0.878 | 0.8947 | 0.901 |
| 4 | Viscosity @40°C | ASTM D445 | cSt | Min 8 | Min 8.5 | Min 29.4 | 110 | Min 450 |
| 5 | Viscosity @100°C | ASTM D445 | cSt | Min 2.28 | Min 2.3 | Min 5 | 11.73 | 29.5 |
| 6 | Viscosity Index | ASTM D2270 | - | Min 90 | Min 90 | Min 92 | 94 | Min 90 |
| 7 | Color | ASTM D1500 | - | Max 0.5 | Max 1.0 | Max 2 | L 2.5 | Max 4 |
| 8 | Odor | Organoleptic | - | - | - | - | No Foul smell | - |
| 9 | Appearance | Visual | - | Clear & Bright | Clear & Bright | Clear & Bright | Clear & Bright | Clear & Bright |
| Parameter | Method | Unit | Result | Result | Result |
|---|---|---|---|---|---|
| Flash point | ASTM D92 | oC | Min 200 | Min 242 | Min 245 |
| Pour point | ASTM D97 | oC | -3 | Max -12 | Max - 12 |
| Density at 15 oC | ASTM D1298 | Kg/l | 0.878 | 0.87 | 0.87 |
| Viscosity @40oC | ASTM D445 | cSt | Min 29.4 | Min 110 | Min 110.5 |
| Viscosity @100oC | ASTM D445 | cSt | Min 5 | Min 11 | Min 11.6 |
| Viscosity Index | ASTM D2270 | - | Min 92 | Min 95 | Min 95 |
| Color | ASTM D1500 | - | Max 2.0 | L 0.5 | L 0.5 |
| Odor | Organoleptic | - | - | - | - |
| Appearance | Visual | - | Clear & Bright | Clear & Bright | Clear & Bright |
| Parameter | Method | N 100 | N 150 | N 250 |
|---|---|---|---|---|
| Flash point | ASTM D92 | 224 | 238 | 248 |
| Pour point | ASTM D97 | -15 | -12 | -12 |
| Density at 15oC | ASTM D1298 | 0.8344 | 0.8425 | 0.8454 |
| Viscosity @40oC | ASTM D445 | 19.39 | 34.96 | 44.81 |
| Viscosity @100oC | ASTM D445 | 4.23 | 6.315 | 7.409 |
| Viscosity Index | ASTM D2270 | 125 | 132 | 130 |
| ASTM Color | ASTM D1500 | L0.5 | L0.5 | L0.5 |
| Odor | Ol Factor | Marketable | Marketable | Marketable |