The Data Speak for Itself...
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Corporate Office:
Warren Oil Company, Inc.
Dunn, NC
Website(s): www.warrenoil.com
Warren Oil Company was started in 1976 and is headquartered in Dunn, NC. The company is a leading independent lubricant manufacturer and marketer with distribution in all 50 states and exports going to 48 countries. Warren Oil owns and operates packaging facilities in Dunn, NC, Benton, AL, San Antonio, TX, Johnstown, PA, Marion, IL, and West Memphis, AR. The company purchased three of its five plants from Pennzoil. All of Warren’s facilities are equipped to manufacture and package a diverse product slate ranging from automotive motor oils to charcoal lighter fluid.
Warren Companies manufacture and package lubricants under several proprietary registered trademarks; e.g., Warren, Lubriguard, Autoguard, Itasca, Coastal, LubriGold and Saxon.
Manufactured By: Warren Oil Company, Inc., Dunn, NC
Purchased at: Rochester, PA
Date of purchase: 10/11/2018
Website(s): www.warrenoil.com
The freeze point of the sample tested meets the product’s labeled claim and based on the tests conducted, there are no issues with the quality of the product.
 Apperance: Green and Clear |
Physical Properties |  |
| Chemical Analysis | |
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| Labeling | |
Note: Although laboratory tests alone cannot be used to establish if coolant meets standards, they can be used to determine if it doesn't.
| Physical Properties and Chemical Analysis | Autoguard |
| Percent Antifreeze, (Based on Percent Glycol) | 50 |
| Freeze Point, (ASTM D3321) in ⁰F | -34 |
| Bitterant, (ASTM D7704) in ppm | 30 |
| pH, (ASTM D1287) | 10.77 |
| Color, (Visual) | Green |
| Ion Chromatography (ASTM D5827) | |
| Glycolate, ppm | Not Detected |
| Formate, ppm | Not Detected |
| Chloride, ppm | 5 |
| Sulfate, ppm | Not Detected |
| Nitrite, ppm | Not Detected |
| Nitrate, ppm | 990 |
| Phosphate, ppm | 3,011 |