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ASTM D7253-06

Historical Revision

Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols

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1.1 This test method measures the acidic constituents in polyether polyols and reports the results as acid number. The typical acid number range is 0-0.1 mg KOH/g sample. (See Note 1.)

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.

Note 1

There is no known ISO equivalent to this standard.


SDO ASTM: ASTM International
Document Number D7253
Publication Date April 1, 2006
Language en - English
Page Count 2
Revision Level 06
Supercedes
Committee D20.22
Publish Date Document Id Type View
March 15, 2022 D7253-22 Revision
Sept. 1, 2016 D7253-16 Revision
April 1, 2006 D7253-06 Revision
Sept. 1, 2011 D7253-06R11E01 Reaffirmation