PETROLEUM QUALITY INSTITUTE OF AMERICA
The Data Speak for Itself...
Product Tested
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Parkway Manufacturing & Trading Company
Company and Product Information
Corporate Office:
Parkway Manufacturing & Trading Company
San Antonio, TX 78218
Website(s): www.heb.com
PARKWAY MANUFACTURING & TRADING COMPANY and GTC are trademarks of HEB Grocery Company, LP. HEB Grocery Company, LP operates food grocery stores in Texas and Mexico. The company offers food and drink, health and beauty, home and kitchen, baby and toy, pet, outdoor and sports, entertainment and electronic, office and school, and clothing products, as well as flowers. It also serves customers via online. The company was founded in 1905 and is headquartered in San Antonio, Texas.
Source: Bloomberg
GTC
SAE 10W-30 Motor Oil
Product: GTC Motor Oil
Viscosity Grade: SAE 10W-30
Labeled: API SN/ILSAC GF-5
Distributed By: Parkway Manufacturing & Trading Company, San Antonio, TX
Manufactured By: Warren Oil Company, Inc., Dunn, NC
Purchased at: Livingston, TX
Date of purchase: 8/6/2018
Website(s): www.heb.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 | GTC |
| TBN, mg KOH/g (ASTM D2896) | 8.96 | |
| Viscosity @ 100ºC, cSt (ASTM D445) | 9.3 to <12.5 | 10.22 |
| Viscosity @40ºC, cSt (ASTM D445) | 65.11 | |
| Viscosity Index (ASTM D2270) | 143 | |
| Viscosity @-25ºC mPa s (cP) (ASTM D5293) | 7,000 Max | 4,888 |
| Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) | 15 Max -c | 11.0 |
| ELEMENTAL ANALYSIS (click for test details) - a, b | ||
| Additives | ||
| Calcium, ppm | 1,325 | |
| Magnesium, ppm | 771 | |
| Phosphorus, ppm | 600 to 800 -d | 727 |
| Zinc, ppm | 791 | |
| Molybdenum, ppm | 54 | |
| 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 | 2 | |
| Nickel, ppm | <1 | |
| Lead, ppm | <1 | |
| Antimony, ppm | <1 | |
| Tin, ppm | <1 | |
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