Product Tested

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Zecol Products Company

Company and Product Information

Corporate Office:
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.”

Petroleum Quality Institute of America

Antifreeze/Coolant Test Program

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.

ZECOL Multi-Max 50/50
Extended Life Prediluted

Multi-Max 50/50
Extended Life Prediluted

Marketed by: Zecol Products Company in Medina, MN

Purchased at: Luna Pier, MI

Date of purchase: 7/24/2015


Website(s): www.twincoromax.com

Test Results and Assessment:

The product tested meets its freeze point protection claim. The test results, however, are not consistant with an Extended Life Coolant. The level of degradation acids (glycolate and formate) in the sample tested are unusually high for new coolant.

bottle icon Physical Properties pass
Chemical Analysis pass
Labeling warning

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  ZECOL
Percent Antifreeze, (Based on Percent Glycol) 51
Freeze Point, (ASTM D3321) in ⁰F -37
Bitterant, (ASTM D7704) in ppm 75
pH, (ASTM D1287) 8.24
Color, (Visual) Green
Chloride and Other Anions by Ion Chromatography (ASTM D5827)  
Glycolate, ppm 1326
Formate, ppm 234
Chloride, ppm 1
Sulfate, ppm 11
Nitrite, ppm 1315
Nitrate, ppm 446
Phosphate, ppm Not Detected