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ASTM D6896-20a

$52.00 $26.00

Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Used Engine Oils at Low Temperature
standard by ASTM International, 11/01/2020

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Description

1.1”This test method covers the measurement of the yield stress and viscosity of engine oils after cooling at controlled rates over a period of 43”’h or 45 h to a final test temperature of ”’20””’C or ”’25””’C. The precision is stated for test temperatures ”’20””’C and ”’25””’C. The viscosity measurements are made at a shear stress of 525 Pa over a shear rate of 0.4”’s-1 to 15 s-1. This test method is suitable for measurement of viscosities ranging from 4000 mPa”s to >400”’000 mPa”s, and is suitable for yield stress measurements of 7 Pa to >350 Pa.

Product Details

Published:
11/01/2020
Number of Pages:
9
File Size:
1 file , 120 KB
Redline File Size:
2 files , 230 KB