ASTM D7253-06
Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols

Standard No.

ASTM D7253-06

Release Date

2006

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D7253-06(2011)e1

Latest

ASTM D7253-22

Scope

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.

ASTM D7253-06 history

• 2022 ASTM D7253-22 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols
• 2016 ASTM D7253-16 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols
• 2006 ASTM D7253-06(2011)e1 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols
• 2006 ASTM D7253-06 Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols