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Sinclair Oil Corporation

Company and Product Information

Corporate Office:
Sinclair Oil Corporation
Salt Lake City, UT 84130

Website(s): www.sinclairoil.com

Sinclair is a privately held Wyoming company with executive offices in Salt Lake City and more than 1,200 employees across several states. Sinclair owns and operates two refineries in Wyoming along with a network of both crude oil and finished-product pipelines and terminals in the Rocky Mountain and midcontinent regions. The company markets fuel in 24 states, supplying high-quality fuels to more than 1,300 branded stations, featuring DINOCARE™ TOP TIER™ Gasoline. Sinclair Oil and Gas Company manages its exploration and production portfolios by only participating in major oil and gas development projects in the United States.
Source: Sinclair

PETROLEUM QUALITY INSTITUTE OF AMERICA 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.

Sinclair Supreme
SAE 5W-30 Motor Oil

Product: Sinclair Supreme
Viscosity Grade: SAE 5W-30
Labeling: API SN/ILSAC GF-5

Distributed By: Sinclair Oil Corporation, Salt Lake City, UT

Purchased at: Julesburg, CO

Date of purchase: 4/12/2016

 

Website(s): www.sinclairoil.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.

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 Sinclair
TBN, mg KOH/g (ASTM D2896) 6.87
Viscosity @ 100ºC, cSt (ASTM D445) 9.3 to <12.5 11.04
Viscosity @40ºC, cSt (ASTM D445) 65.88
Viscosity Index (ASTM D2270) 160
Viscosity @-30ºC mPa s (cP) (ASTM D5293) 6,600 Max 5,700
Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) 15 Max -c 12.7
ELEMENTAL ANALYSIS (click for test details) - a, b
Additives
Calcium 1,895
Magnesium 12
Phosphorus, ppm 600 to 800 792
Zinc, ppm 835
Molybdenum,  ppm 41
Barium, ppm <1
Boron, ppm 201
Silicon, ppm 6
Potassium, ppm <5
Manganese, ppm <1
Titanium, ppm <1
Copper, ppm <1
Sodium, ppm <5
Vanadium, ppm <1
Contaminants
Silver, ppm <1
Aluminum, ppm 3
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.