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ASTM-D5133:2001 Edition

ASTM-D5133:2001 Edition

$44.96

D5133-01 Standard Test Method for Low Temperature, Low Shear Rate, Viscosity/Temperature Dependence of Lubricating Oils Using a Temperature-Scanning Technique

Published By Publication Date Number of Pages
ASTM 2001 12
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ASTM D5133-01

Historical Standard: Standard Test Method for Low Temperature, Low Shear Rate, Viscosity/Temperature Dependence of Lubricating Oils Using a Temperature-Scanning Technique

ASTM D5133

Scope

1.1 This test method was developed to measure the apparent viscosity of engine oil at low temperatures.

1.2 A shear rate of approximately 0.2 s-1 is produced at shear stresses below 100 Pa. Apparent viscosity is measured continuously as the sample is cooled at a rate of 1°C/h over the range 5 to 40°C, or to the temperature at which the viscosity exceeds 40 000 mPas (cP).

1.3 The measurements resulting from this test method are viscosity, the maximum rate of viscosity increase (Gelation Index) and the temperature at which the Gelation Index occurs.

1.4 Applicability to petroleum products other than engine oils has not been determined in preparing this test method.

1.5 This standard does not purport to address all of the safety concerns, 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.

1.6 All terms in this test method are in SI units.

Keywords

borderline pumping temperature; critical pumpability temperature; critical pumpability viscosity; engine oil; gelation; Gelation Index; Gelation Index temperature; low-temperature engine oil pumpability; low-temperature rheology; Scanning Brookfield technique; temperature-scanning technique; viscosity

ICS Code

ICS Number Code 75.100 (Lubricants, industrial oils and related products)

DOI: 10.1520/D5133-01

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 FIG. 1
3 Summary of Test Method
Significance and Use
Materials
4 Sampling
Preparation of the Apparatus
Preparation for Calibration of the Test Cell
Calibration of the Test Cell
TABLE 1
TABLE 2
5 Preparation for Analysis of the Test Oil
Procedure
Report
Precision and Bias
6 Keywords
7 X1. DETERMINATION OF GELATION INDEX AND GELATION INDEX TEMPERATURE
X1.1 Graphical Analysis Development
FIG. X1.1
8 X2. ABNORMAL VISCOSITY VERSUS TEMPERATURE CURVES INDICATING INSTRUMENT PROBLEMS
X2.1
TABLE X1.1
FIG. X2.1
9 FIG. X2.2
FIG. X2.3
10 FIG. X2.4
FIG. X2.5
11 FIG. X2.6
FIG. X2.7
12 FIG. X2.8

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