ASTM D4921-95(2012)
Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature

Standard No.

ASTM D4921-95(2012)

Release Date

1995

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D4921-20

Latest

ASTM D4921-20

Scope

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.

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 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.

ASTM D4921-95(2012) Referenced Document

• ASTM D1176 Standard Practice for Sampling and Preparing Aqueous Solutions of Engine Coolants or Antirusts for Testing Purposes*， 1998-04-20 Update

ASTM D4921-95(2012) history

• 2020 ASTM D4921-20 Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature
• 1995 ASTM D4921-95(2012) Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature
• 1995 ASTM D4921-95(2006) Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature
• 1995 ASTM D4921-95(2000) Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature