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Southwest Research Institute (SwRI) offers the viscosity at high-temperature and high-shear rate laboratory evaluation method, which determines the dynamic viscosity of oils at 150°C using a Ravenfield high-shear rate, tapered-plug viscometer.
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| Gasoline and Diesel Engines |
Gasoline and Diesel Engines with Aftertreatment Devices |
Heavy-Duty Diesel Engines |
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A1/B1-04 A3/B3-04 A3/B4-04 A5/B5-04 |
C1-04 C2-04 C3-04 |
E2-96
Issue 5 E4-99 Issue 3 E6-04 E7-04 |
| Gasoline and Diesel Engines | ||||
| Property | Limits | |||
| A1/B1-04 | A3/B3-04 | A3/B4-04 | A5/B5-04 | |
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Viscosity at
150°C and 106s-1 Shear Rate, mPa·s |
xW-20– Min. 2.6 Max. 3.5 All Others Min. 2.9 |
>3.5 | >3.5 |
Min. 2.9 Max. 3.5 |
| Gasoline and Diesel Engines with Aftertreatment Devices | |||
| Property | Limits | ||
| C1-04 | C2-04 | C3-04 | |
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Viscosity at
150°C and 106s-1 Shear Rate, mPa·s |
≥2.9 | ≥2.9 | ≥3.5 |
| Heavy-Duty Diesel Engines | ||||
| Property | Limits | |||
|
E2-96 Issue 5 |
E4-99 Issue 3 |
E6-04 | E7-04 | |
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Viscosity at
150°C and 106s-1 Shear Rate, mPa·s |
≥3.5 | ≥3.5 | ≥3.5 | ≥3.5 |
For more information about viscosity at high-temperature and high-shear rate evaluation (CEC L-36-A-90) capabilities at SwRI or how you can contract with SwRI, please contact Becky Grinfield at bgrinfield@swri.org or (210) 522-3652.
*Association des Constructeurs Européens d'Automobiles/European Automobile Manufacturers Association.
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Contact Information |
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Viscosity at
High- (210) 522-3652 |
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Related Terminology |
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CEC L-36-A-90 ACEA laboratory tests viscosity at high-temperature and high-shear rate test lubricant analysis oil viscosity laboratory test ACEA 2004 specifications standardized lubricant testing engine lubricants Association des Constructeurs Européens d'Automobiles European Automobile Manufacturers Association |
| Fuels and Lubricants Technology Department | Fuels and Lubricants Research Division | SwRI Home |
Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.
September 30, 2008