PETROLEUM QUALITY INSTITUTE OF AMERICA
The Data Speak for Itself...
Product Tested
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Thorntons Inc.
Company and Product Information
Corporate Office:
Thorntons Inc.
Louisville, KY 40223
Website(s): www.thorntonsinc.com
Founded by James H. Thornton in 1971, the company has been recognized as one of the top independent convenience store chains in the nation. Based in Louisville, Kentucky, Thorntons® currently operates 190 stores that provide fresh foods, high quality beverages and fuel in six states: Kentucky, Illinois, Indiana, Ohio, Tennessee and Florida. Thorntons®’ mission is not only to provide top of the line food and beverages, but makes giving back a top priority in every market.
Source: Thorntons
Thorntons Premium Motor Oil
SAE 5W-20
Product: Thorntons
Viscosity Grade: SAE 5W-20
Labeled: API SN/ILSAC GF-5
Distributed By: Thorntons Inc., Louisville, KY
Manufactured By: Pinnacle Oil, Indianapolis, IN
Purchased at: Louisville, KY
Date of purchase: 5/10/2018
Website(s): www.thorntonsinc.com
Test Results and Assessment:
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 |  |
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| Elemental Analysis | |
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| Labeling | |
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Note1: 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. Note2: The specification for cold cranking viscosity includes only a maximum value; the minimum value shown in the “standard” area of the chart is truncated for illustrative purposes.
| PHYSICAL TESTS (click for test details) - a | Standard | Thorntons |
| TBN, mg KOH/g (ASTM D2896) | 8.18 | |
| Viscosity @ 100ºC, cSt (ASTM D445) | 6.9 to <9.3 | 8.52 |
| Viscosity @40ºC, cSt (ASTM D445) | 49.93 | |
| Viscosity Index (ASTM D2270) | 148 | |
| Viscosity @-30ºC mPa s (cP) (ASTM D5293) | 6,600 Max | 5,975 |
| Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) | 15 Max -c | 11.6 |
| ELEMENTAL ANALYSIS (click for test details) - a, b | ||
| Additives | ||
| Calcium, ppm | 2,378 | |
| Magnesium, ppm | 10 | |
| Phosphorus, ppm | 600 to 800 -d | 723 |
| Zinc, ppm | 792 | |
| Molybdenum, ppm | 41 | |
| Barium, ppm | <1 | |
| Boron, ppm | <1 | |
| Silicon, ppm | 6 | |
| 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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