ASTM-C467 › Complete Document History
Standard Classification of Mullite Refractories

Complete Current Edition:
   2014 R23 EDITION - REAPPROVED IN 2023 - April 18, 2023

Obsolete Revision Information:
   2014 R18 EDITION - REAPPROVED IN 2018 - Oct. 1, 2018
   2014 EDITION - Standard Classification of Mullite Refractories - Oct. 15, 2014
   1997 R08 EDITION - REAPPROVED IN 2008 - Sept. 1, 2008
   1997 R02 EDITION - REAPPROVED IN 2002 - Dec. 10, 2002
   1997 EDITION - Standard Classification of Mullite Refractories - Nov. 10, 1997
   1984 R92(E1) EDITION - EDITORIALLY CORRECTED - Jan. 1, 1993
   1984 EDITION - Standard Classification of Mullite Refractories - Jan. 1, 1988
   1984 R88 EDITION - REAPPROVED IN 1988 - Aug. 23, 1984