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  • ASTM
    D7528-21 Standard Test Method for Bench Oxidation of Engine Oils by ROBO Apparatus
    Edition: 2021
    $148.51
    Unlimited Users per year

Description of ASTM-D7528 2021

ASTM D7528-21

Historical Standard: Standard Test Method for Bench Oxidation of Engine Oils by ROBO Apparatus




ASTM D7528

Scope

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 test method is arranged as follows:

 

Section

Scope

1

Reference Documents

2

Terminology

3

Summary of Test Method

4

Significance and Use

5

Apparatus

6

Reagents and Materials

7

Hazards

8

New and Existing Test Stand Calibration

9

Procedure

10

Cleaning

11

Calculations and Determination of Test Results

12

Report

13

Precision and Bias

14

Keywords

15

Annexes

 

ASTM Test Monitoring Center: Organization

Annex A1

ASTM Test Monitoring Center: Calibration Procedures

Annex A2

ASTM Test Monitoring Center: Maintenance Activities

Annex A3

ASTM Test Monitoring Center: Related Information

Annex A4

Reaction Vessel

Annex A5

Reaction Vessel Head

Annex A6

Reaction Vessel-to-Head Seal

Annex A7

Agitator Turbine Blade

Annex A8

Agitator Packing Gland

Annex A9

Nitrogen Dioxide Graduated Tube

Annex A10

Vacuum System Plumbing

Annex A11

Vacuum Trap Condensers

Annex A12

Setting the Vacuum Control Valve

Annex A13

Appendixes

 

Sample Preparation and Addition

Appendix X1

Charging the Liquid Nitrogen Dioxide

Appendix X2

Nitrogen Dioxide Precision Needle Valve

Appendix X3

Example of an Assembled ROBO Apparatus

Appendix X4

Information Package to Aid Setting Up a New Robo Apparatus

Appendix X5

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific warning statements are given in Sections 7 and 8.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


Keywords

evaporative loss; low-temperature pumpability; MRV viscosity; oil aging; oil oxidation; oil viscosity; ROBO test; sequence IIIG test; sequence IIIGA test; volatiles;


ICS Code

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


DOI: 10.1520/D7528-21

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