ASTM-D5133:2011 Edition

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D5133-05(2011) 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	2011	12

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Category: ASTM

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Description

ASTM D5133-05-Reapproved2011

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 covers the measurement of 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 mPa·s (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 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.6 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.

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; Shear testing–petroleum products; Temperature scanning technique; Temperature tests–petroleum products; Viscosity–petroleum products; Automotive engine fuels/oils; Borderline pumping temperature (BPT); Brookfield viscometer; Critical pumpability viscosity; Gelation analysis; Low-temperature testing–petroleum products/applications; Lubricating oils; Scanning Brookfield technique

ICS Code

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

DOI: 10.1520/D5133-05R11

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	FIG. 1
3	Summary of Test Method Significance and Use
4	Materials 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
6	Precision and Bias 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

Additional information

Standard Title	D5133-05(2011) Standard Test Method for Low Temperature, Low Shear Rate, Viscosity/Temperature Dependence of Lubricating Oils Using a Temperature-Scanning Technique
Published Code	ASTM
Publication Date	2011
Pages Count	12