ASTM-D7253 › Complete Document History
Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols

Complete Current Edition:
   2022 EDITION - Determination of Acidity as Acid Number for Polyether Polyols - March 21, 2022

Obsolete Revision Information:
   2016 EDITION - Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols - Sept. 1, 2016
   2006 R11(E1) EDITION - EDITORIALLY CORRECTED - Oct. 1, 2011
   2006 EDITION - Polyurethane Raw Materials: Determination of Acidity as Acid - April 1, 2006