ASTM-D4921 Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature

ASTM-D4921 - 2020 EDITION - CURRENT
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Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature
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Scope

1.1 This test method applies to a simple shake test for evaluating the tendency of an aqueous solution of engine coolant to foam at room temperature.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.

Significance and Use

4.1 The test method will generally identify coolants that have a tendency to foam excessively at room temperature.

Note 1: In use, the foaming tendency of a coolant solution may be increased by service aging or contamination.

Keywords

aqueous solutions; engine coolant; foam; foam test; foaming tendencies;

To find similar documents by ASTM Volume:

15.05 (Engine Coolants; Halogenated Organic Solvents and Fire Extinguishing Agents; Industrial and Specialty Chemicals)

To find similar documents by classification:

71.100.40 (Surface active agents)

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Document Number

ASTM-D4921-20

Revision Level

2020 EDITION

Status

Current

Modification Type

Revision

Publication Date

April 9, 2020

Document Type

Test Method

Page Count

2 pages

Committee Number

D15.06