Product Tested

front label

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back label

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Coolants Plus Inc.

Company and Product Information

Corporate Office:
2570 Van Hook Ave
Hamilton, OH 45015




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.

Star Fire SAE 5W-20
Synthetic Blend Motor Oil

Product: Star Fire Synthetic Blend
Viscosity Grade: SAE 5W-20
Labeling: API SN/ ILSAC GF-5

Marketed by: COOLANTS PLUS INC in Hamilton, OH

Purchased at: Washington, D.C.

Date of purchase: 7/1/2015


Website(s): www.coolantsplus.com 

Test Results and Assessment:

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: Without the assistance of magnification, PQIA was unable to read the majority of the text on the back label.

bottle icon Physical Properties pass
Elemental Analysis pass
Labeling warning

Note: 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.

PHYSICAL TESTS (click for test details) - a Standard Star Fire
TBN, mg KOH/g (ASTM D2896) 7.2
Viscosity @ 100ºC, cSt (ASTM D445) 6.9 to <9.3 7.6
Viscosity @40ºC, cSt (ASTM D445) 44.7
Viscosity Index (ASTM D2270) 139
Viscosity @-30ºC mPa s (cP) (ASTM D5293) 6,600 Max 6049
Volatility, mass % loss, 1 hr, @ 250ÂșC (ASTM D5800) 15 Max -c 13.1
ELEMENTAL ANALYSIS (click for test details) - a, b
Calcium 1931
Magnesium 4
Phosphorus, ppm 600 to 800 680
Zinc, ppm 732
Molybdenum,  ppm 144
Barium, ppm <1
Boron, ppm 80
Silicon, ppm 13
Potassium, ppm <5
Manganese, ppm <1
Titanium, ppm <1
Copper, ppm <1
Sodium, ppm <5
Vanadium, ppm <1
Silver, ppm <1
Aluminum, ppm 2
Chromium, ppm <1
Iron, ppm <1
Nickel, ppm <1
Lead, ppm <1
Antimony, ppm <1
Tin, ppm <1
  1. Standards, shown in yellow are established by API, SAE and others.
  2. Test Method for metal analysis is ASTM D5185.
  3. This specification is expressed to two significant figures, therefore results up to 15.5 are considered on specification.