Product Tested

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Company and Product Information

Corporate Office:
700 Milam 
Houston, TX 77002

Website(s): www.ROTELLA.com

Shell Oil Company US (SOPUS) is the United States-based subsidiary of Royal Dutch Shell. Royal Dutch Shell is one of the largest major oil companies in the world. SOPUS is a leading producer of oil and natural gas, gasoline, and petrochemical products in the US.

The company is also a leading manufacturer and marketer of motor oils and other automotive and industrial lubricants and products. In addition to Shell branded lubricants, Pennzoil-Quaker State Company, doing business as SOPUS Products, Inc., produces motor oils and other automotive products under the Pennzoil and Quaker State brand names.

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.

Shell Rotella Ultra ELC
50/50 Antifreeze/ Engine Coolant

Shell Rotella Ultra ELC
50/50 Antifreeze/ Engine Coolant

Distributed By: SOPUS PRODUCTS, Houston, TX

Purchased at: Cheyenne, WY

Date of purchase: 4/11/2016


Website(s): www.ROTELLA.com

Test Results and Assessment:

The results of the tests conducted on this sample are consistent with the labeled claims.

Note: This product contains 13 parts per million (ppm) of bitterant. Although this product was not purchased in a state requiring bitterant, it does not meet the minimum requirement of 30 ppm of bitterant required by seventeen states.

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  Shell Rotella Ultra ELC
Percent Antifreeze, (Based on Percent Glycol) 51
Freeze Point, (ASTM D3321) in ⁰F -36
Bitterant, (ASTM D7704) in ppm 13
pH, (ASTM D1287) 8.48
Color, (Visual) Yellow
Chloride and Other Anions by Ion Chromatography (ASTM D5827)  
Glycolate, ppm Not Detected
Formate, ppm Not Detected
Chloride, ppm 2
Sulfate, ppm 3
Nitrite, ppm Not Detected
Nitrate, ppm 605
Phosphate, ppm 101