PETROLEUM QUALITY INSTITUTE OF AMERICA TEST PROGRAM
The Petroleum Quality Institute of America (PQIA) is an independent resource for information and insights on the quality of lubricants in the marketplace. Our mission is to serve the consumer of lubricants by randomly sampling and independently testing lubricants taken from the field. Test results are posted along with the brand names on the PQIA website. Although laboratory tests alone cannot be used to establish if engine oil meets an API Service Category, they can be used to determine if it doesn't.
| Sheetz Premium API SN, ILSAC GF-5, SAE 5W-20 motor oil. | |
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Sheetz, API SN, ILSAC GF-5, SAE 5W-20 Manufactured by: Distributed by Sheetz, Inc, Altoona, PA, Manufactured by Pinnacle Oil, Indianapolis, IN
Purchased at: Sheetz #251, East Liverpool, OH Date of purchase: 12/18/2013
The results of the tests conducted on this sample meet the requirements of an API SN, ILSAC GF-5, SAE 5W-20 motor oil.
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| PHYSICAL TESTS | Standard | Sheetz Premium | |
| TBN, mg KOH/g, (ASTM D2896) | 8.9 | ||
| Viscosity @ 100ºC, cSt, (ASTM D445) | 5.6 to <9.3 | 8.755 | |
| Viscosity @ 40ºC, cSt, ASTM D445 | 51.819 | ||
| Viscosity Index (ASTM D2270) | 148 | ||
| Viscosity @ -30ºC mPa s (cP) (ASTM D5293) | 6,600 Max | 5,646 | |
| Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) | 15 Max | 13.8 | |
| ELEMENTAL ANALYSIS-b | 2,502 | ||
| Additives | |||
| Calcium | 2,502 | ||
| Magnesium | 10 | ||
| Phosphorus, ppm | 600 to 800 | 767 | |
| Zinc, ppm | 834 | ||
| Molybdenum, ppm | 42 | ||
| Barium, ppm | <1 | ||
| Boron, ppm | 3 | ||
| Silicon, ppm-d | 3 | ||
| Potassium, ppm | <5 | ||
| Manganese, ppm | <1 | ||
| Titanium, ppm | <1 | ||
| Copper, ppm | <1 | ||
| Sodium, ppm | <5 | ||
| Vanadium, ppm | <1 | ||
| Contaminants | |||
| Silver, ppm | <1 | ||
| Aluminum, ppm | <1 | ||
| Chromium, ppm | <1 | ||
| Iron, ppm | <1 | ||
| Nickel, ppm | <1 | ||
| Lead, ppm | <1 | ||
| Antimony, ppm | <1 | ||
| Tin, ppm | <1 | ||
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a- Standards, shown in yellow are established by API, SAE and others. b-Test Method for metal analysis is ASTM ASTM D5185.
c -
The specification of 15 max is expressed in two
significant figures and therefore the test results meets
the specification.
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