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ASTM D7528-13
Standard Test Method for Bench Oxidation of Engine Oils by ROBO Apparatus
Automatische name übersetzung:
Standard Test Method for Bench Oxidation von Motorenöle von ROBO Apparat
NORM herausgegeben am 1.5.2013
Informationen über die Norm:
Bezeichnung normen: ASTM D7528-13
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.5.2013
SKU: NS-38670
Zahl der Seiten: 21
Gewicht ca.: 63 g (0.14 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D7528-13 :
Keywords:
evaporative loss, low-temperature pumpability, MRV viscosity, oil aging, oil oxidation, oil viscosity, ROBO test, sequence IIIG test, sequence IIIGA test, volatiles, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Ergänzende Informationen
| Significance and Use | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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5.1 This bench test method is intended to produce comparable oil aging characteristics to those obtained with ASTM TMC Sequence IIIGA matrix reference oils 434, 435 and 438 after aging in the Sequence IIIG engine test. 5.2 To the extent that the method generates aged oils comparable to those from the Sequence IIIG engine test, the measured increases in kinematic and MRV viscosity indicate the tendency of an oil to thicken because of volatilization and oxidation, as in the Sequence IIIG and IIIGA (see Appendix X1 in Test Method D7320) engine tests, respectively. 5.3 This bench test procedure has potential use in specifications and classifications of engine lubricating oils, such as Specification D4485. |
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| 1. Scope | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This test method describes a bench procedure to simulate the oil aging encountered in Test Method D7320, the Sequence IIIG engine test method. These aged oils are then tested for kinematic viscosity and for low-temperature pumpability properties as described in the Sequence IIIGA engine test, Appendix X1 of Test Method D7320. 1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.2.1 Exceptions—There are no SI equivalents for some apparatus in Section 6, and there are some figures where inch units are to be regarded as standard. 1.3 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. 1.4 This test method is arranged as follows:
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