Road-Tech Premium Motor Oil 5W-30 API SM ILSAC GF-4
Purchased in: Blairsville, GA
Date of purchase: 6-9-2010
The Cold Crank results for this sample slightly exceed the maximum of 6,600 cP. At the same time, however, it falls well within the API acceptable "Expanded Range" of 7,082 for a 5W-30.
PETROLEUM QUALITY INSTITUTE OF AMERICA TEST PROGRAM |
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| PHYSICAL TESTS | Standard/ranges-b | Average-e |
Road-Tech 5W-30 |
| TBN, mg KOH/g, (ASTM D2896) | 7.4 to 9.0 | 8.0 | 6.6 |
| Viscosity @ 100ºC, cSt, (ASTM D445) | 9.3 to 12.5 | 10.39 | 10.29 |
| Viscosity @ 40ºC, cSt, ASTM D445 | 55.0 to 82.0 | 60.48 | 62.2 |
| Viscosity Index (ASTM D2270) | 156 to 167 | 163 | 155 |
| Viscosity @ -30ºC mPa s (cP) (ASTM D5293) | 6,600 Max | 5,793 | 6,610 |
| Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) | 15 Max | 13.5 | 14.8 |
| ELEMENTAL ANALYSIS-c | |||
| Additives | |||
| Nitrogen μg/g (ASTM D-5762) | 720 to 1,000 | 860 | 600 |
| Calcium | 1,648 to 2,301 | 2,043 | 2,121 |
| Magnesium, ppm | 6 to 43 | 11 | 11 |
| Phosphorus, ppm | 600 to 800 | 772 | 736 |
| Zinc, ppm | 789 to 887 | 851 | 810 |
| Molybdenum, ppm | <1 to 226 | 93 | 16 |
| Barium, ppm | <1 | <1 | <1 |
| Additive and/or other | |||
| Boron, ppm | <1 to 246 | 84 | 105 |
| Silicon, ppm-d | 4 to 8 | 5 | 5 |
| Potassium, ppm | <1 | <1 | <1 |
| Manganese, ppm | <1 to 8 | 1 | <1 |
| Titanium, ppm | <1 | <1 | <1 |
| Sulfur, ppm | 5,000 max | 3,021 | 2,925 |
| Copper, ppm | <1 | <1 | <1 |
| Sodium, ppm | <1 to 467 | 82 | <1 |
| Vanadium, ppm | <1 | <1 | <1 |
| Contaminants | |||
| Silver, ppm | <1 | <1 | <1 |
| Aluminum, ppm | <1 to 2 | <1 | <1 |
| Chromium, ppm | <1 | <1 | <1 |
| Iron, ppm | <1 to 1 | 1 | 1 |
| Nickel, ppm | <1 | <1 | <1 |
| Lead, ppm | <1 to 1 | <1 | <1 |
| Antimony, ppm | <1 | <1 | <1 |
| Tin, ppm | 4 to 5 | 5 | 6 |
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a- Click here for product label. b- Standards, shown in orange, are established by API, SAE and others. Ranges, shown in teal, represent the high and low data for the majors shown. c-Test Method for metal analysis is ASTM ASTM D5185. d- Although silicon is used as an antifoam additive in lubricants, concentrations above 7ppm have been linked to contamination from abrasive material, e- Average of the 10 major brands tested. Click here for brands tested. |
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