ASTM International - ASTM D7253-06
Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols
|Publication Date:||1 April 2006|
|ICS Code (Test conditions and procedures in general):||19.020|
|ICS Code (Raw materials for rubber and plastics in general):||83.040.01|
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.
There is no known ISO equivalent to this standard.