Petroleum Quality Institute of America

The Petroleum Quality Institute of America (PQIA) is an independent resource for information and insights on the quality and performance of lubricants in the marketplace.  Our mission is to serve the consumer of lubricants by reporting on the quality and integrity of lubricants in themarketplace.

 

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The front label on Homelife states in the upper right corner, “Compare to Pennzoil.” 

The following is a comparison based on the quality measures PQIA examines. It should be noted, however, that a number of other bench and engine tests are required for a full comparison.  

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  Standard/ranges-a
PHYSICAL TESTS      
 TBN, mg KOH/g, (ASTM D2896) 6.1 to 8.3 8.3 7.2
 Viscosity @ 100ºC, cSt, (ASTM D445) 9.3 to 12.5 10.52 10.40
 Viscosity @ 40ºC, cSt, ASTM D445 55.8 to 65.2 62.61 62.80
 Viscosity Index (ASTM D2270) 156 to 169 158 155
 Viscosity @ -30ºC mPa s (cP) (ASTM D5293) 6,600 Max 6,077 5,604
 Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) 15 Max 14.4 13.4
ELEMENTAL ANALYSIS-c      
    Nitrogen μg/g (ASTM D-5762) 599 to 990 990.4 731.9
    Calcium 1,570 to 2,460 2,408 1,812
    Magnesium, ppm 6 to 46 7 9
    Phosphorus,  ppm 600 to 800 727 628
    Zinc, ppm 766 to 868 868 728
    Molybdenum,  ppm <1 to 269 269 134
    Barium, ppm <1 <1 <1
    Boron,  ppm <1 to 237 109 96
    Silicon,  ppm 3 to 9 6 5
    Potassium, ppm 9 to 17 10 <5
    Manganese, ppm <1 <1 <1
    Titanium, ppm <1 to 114 <1 <1
    Sulfur, ppm 5,000 Max 1,845 1,763
    Copper, ppm <1 <1 <1
    Sodium, ppm 5 to 454 5 <5
    Vanadium, ppm <1 <1 <1
    Silver, ppm <1 <1 <1
    Aluminum, ppm <1 to 3 3 2
    Chromium, ppm <1 <1 <1
    Iron, ppm <1 to 1 <1 <1
    Nickel, ppm <1 <1 <1
    Lead, ppm <1 <1 <1
    Antimony, ppm <1 <1 <1
    Tin, ppm <1 <1 <1

a- Standards, shown in yellow are established by API, SAE and others. Ranges, shown in teal, represent the high and low data for the 13 major brands of API SN ILSAC GF-5 tested in September 2011.