The Data Speak for Itself...
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Corporate Office:
Zecol Products Company
4635 Willow Drive
Medina, MN 55340
Website(s): www.twincoromax.com
According to Twinco Romax website, the company is a “vertically integrated distributor and manufacturer of automotive fluids and related aftermarket products sold to a diverse base of customers in the convenience store, automotive, mass market, farm store and other retail channels. Based in Medina (Minneapolis), Minnesota.
Twinco has established a strong market position in the upper Midwest by combining a broad product line of company-owned and national brands with innovative merchandising and other value-added services that drive enhanced sales and profit margins for its customers.”
Marketed by: Zecol Products Company, Medina, MN
Purchased at: Berea, OH
Date of purchase: 5/14/2017
Website(s): www.twincoromax.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.
Note: While the front label on the sample tested identifies the product as a “Synthetic SAE 5W-20 Motor Oil,” the back label identifies it as a “Semi-Synthetic SAE 5W-20 Motor Oil.” Although the product meets the SAE J300 specifications for the SAE 5W-20 Viscosity Grade listed on the product label, and the test results are consistent with the listed API Service Categories, there are no tests to unequivocally determine if the product is in fact synthetic or semi-synthetic motor oil, both of which are claimed on the products label. See link below for more.
September 9, 2014
Beyond "Synthetic"
October 10, 2004
Synthetics: Time to Draw the Line?
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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 | Zecol-Max |
| TBN, mg KOH/g (ASTM D2896) | 6.51 | |
| Viscosity @ 100ºC, cSt (ASTM D445) | 6.9 to <9.3 | 8.83 |
| Viscosity @40ºC, cSt (ASTM D445) | 51.63 | |
| Viscosity Index (ASTM D2270) | 150 | |
| Viscosity @-30ºC mPa s (cP) (ASTM D5293) | 6,600 Max | 5,828 |
| Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) | 15 Max -c | 11.4 |
| ELEMENTAL ANALYSIS (click for test details) - a, b | ||
| Additives | ||
| Calcium, ppm | 1,849 | |
| Magnesium, ppm | 6 | |
| Phosphorus, ppm | 600 to 800 -d | 718 |
| Zinc, ppm | 792 | |
| Molybdenum, ppm | 41 | |
| Barium, ppm | <1 | |
| Boron, ppm | 176 | |
| Silicon, ppm | 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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