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ASTM D4624-93 (1998)

ASTM D4624-93 (1998)

Standard Test Method for Measuring Apparent Viscosity by Capillary Viscometer at High Temperature and High-Shear Rates (Withdrawn 2004)

2004-05-25 /Withdrawn
No replacement

1.1 This test method covers the measurement of high temperature high shear viscosity at 150°C. The shear rate for this test method corresponds to an apparent shear rate at the wall of 10 s -1 . This is the shear rate at the wall calculated for a Newtonian oil. For non-Newtonian oils, the actural shear rate at the wall will vary from this value.

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Flow and flow rate-petroleum products; Lubricants (fluid); Measurement processes; Oils-turbine; Pressure testing-petroleum products; Shear testing-petroleum products; Temperature tests-petroleum products; Viscometers-capillary; Viscosity-petroleum products; apparent viscosity-engine oils, by capillary viscometer at; high-temperature/shear rates, test
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