The Data Speak for Itself...
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Corporate Office:
PolyGuard Products Division
4635 Willow Road
Medina, MN 55340
Website(s): No Website Found
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: PolyGuard Products Division, Medina, MN
Purchased at: Paw Paw, MI
Date of purchase: 11/15/2016
Website(s): No Website Found
The results of the tests conducted on this sample are consistent with the labeled claims.
|
Physical Properties |  |
| Chemical Analysis | |
|
| 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 | PolyGuard |
| Percent Antifreeze, (Based on Percent Glycol) | 52 |
| Freeze Point, (ASTM D3321) in ⁰F | -40 |
| Bitterant, (ASTM D7704) in ppm | 47 |
| pH, (ASTM D1287) | 9.99 |
| Color, (Visual) | Green |
| Ion Chromatography (ASTM D5827) | |
| Glycolate, ppm | 559 |
| Formate, ppm | 165 |
| Chloride, ppm | 3 |
| Sulfate, ppm | 7 |
| Nitrite, ppm | 1,240 |
| Nitrate, ppm | 590 |
| Phosphate, ppm | Not Detected |