ASTM-D4274 Complete Document History
Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols

Complete Current Edition:
   2023 EDITION - Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols - March 22, 2023

Obsolete Revision Information:
   2021 EDITION - Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols - July 19, 2021
   2016 EDITION - Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols - April 1, 2016
   2011 EDITION - Testing Polyurethane Raw Materials: Determination of Hydroxy - Feb. 1, 2011
   2005 EDITION - Testing Polyurethane Raw Materials: Determination of Hydroxy - July 1, 2005
   1999 EDITION - Testing Polyurethane Raw Materials: Determination of Hydroxy - Nov. 10, 1999
   1988(E1) EDITION - EDITORIALLY CORRECTED - Nov. 25, 1988
   1988(E2) EDITION - EDITORIALLY CORRECTED - Nov. 25, 1988
   1983 EDITION - Testing Polyurethane Raw Materials: Determination of Hydroxy - July 29, 1983