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ASTM D1881-97(2002)e2

Historical Revision

Standard Test Method for Foaming Tendencies of Engine Coolants in Glassware

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1.1 This test method covers a simple glassware test for evaluating the tendency of engine coolants to foam under laboratory-controlled-conditions of aeration and temperature.

1.2 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. For specific warning statements, see 7.2 and 7.4.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are approximate equivalents provided for information purposes only.


The test method generally will distinguish coolants that have a tendency to foam excessively from those that are suitable for further evaluation to determine performance in actual service.

Note 1—In use, the foaming tendency of a coolant solution may be increased by service aging or contamination. A properly functioning pressure cap will tend to suppress foaming in coolant solutions.

SDO ASTM: ASTM International
Document Number D1881
Publication Date May 10, 1997
Language en - English
Page Count 4
Revision Level 97(2002)e2
Supercedes
Committee D15.06
Publish Date Document Id Type View
June 1, 2024 D1881-24 Revision
Nov. 1, 2017 D1881-17 Revision
May 10, 1997 D1881-97R02E02 Revision
May 10, 1997 D1881-97R02E01 Revision
May 10, 1997 D1881-97 Revision
Nov. 1, 2009 D1881-97R09 Reaffirmation
May 10, 1997 D1881-97R02 Reaffirmation