The Data Speak for Itself...
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Corporate Office:
Findlay, Ohio 45840
Website(s):
www.marathonpetroleum.com
Marathon Petroleum Company (MPC) is the nation's fourth-largest refiner, with a crude oil refining capacity of approximately 1.7 million barrels per calendar day in its seven-refinery system.
Marathon brand gasoline is sold through approximately 5,500 independently owned retail outlets across 19 states. In addition, Speedway LLC, an MPC subsidiary, owns and operates the nation's second-largest convenience store chain, with approximately 2,750 convenience stores in 22 states. MPC also owns, leases or has ownership interests in approximately 8,300 miles of pipeline.
According to Marathon's website, "Marathon's Performance Series line of motor oils for passenger vehicles is top of the line in terms of quality."
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. This webpage provides an analysis on the brand detailed below.
The following are the test results for the sample examined.
Marketed by: Marathon Petroleum Company LP
Purchased at: Goshen, IN
Date of purchase: 1/5/2015
Website(s): www.marathonpetroleum.com
The results of the tests conducted on this sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
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Physical Properties |  |
| Elemental Analysis | |
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| Labeling | |
Note: 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.
| PHYSICAL TESTS (click for test details) - a | Standard | Marathon |
| TBN, mg KOH/g (ASTM D2896) | 8.8 | |
| Viscosity @ 100ºC, cSt (ASTM D445) | 12.5 to 16.3 | 14.7 |
| Viscosity @40ºC, cSt (ASTM D445) | 107.1 | |
| Viscosity Index (ASTM D2270) | 142.0 | |
| Viscosity @-20ºC mPa s (cP) (ASTM D5293) | 7,000 Max | 4520 |
| Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) | 13 Max -c | 13.0 |
| ELEMENTAL ANALYSIS (click for test details) - a, b | ||
| Additives | ||
| Calcium | 1080 | |
| Magnesium | 772 | |
| Phosphorus, ppm | 1,250 | 1039 |
| Zinc, ppm | 1152 | |
| Molybdenum, ppm | 41 | |
| Barium, ppm | <1 | |
| Boron, ppm | 3 | |
| Silicon, ppm | 5 | |
| 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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