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ASTM D5133-01
Standard Test Method for Low Temperature, Low Shear Rate, Viscosity/Temperature Dependence of Lubricating Oils Using a Temperature-Scanning Technique
STANDARD published on 10.11.2001
The information about the standard:
Designation standards: ASTM D5133-01
Note: WITHDRAWN
Publication date standards: 10.11.2001
SKU: NS-29960
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D5133-01 :
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 Number Code 75.100 (Lubricants, industrial oils and related products)
Additional information
| 1. Scope | ||||||
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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. |
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