ASTM-C621 Complete Document History
Standard Test Method for Isothermal Corrosion Resistance of Refractories to Molten Glass

Complete Current Edition:
   2009 R22 EDITION - REAPPROVED IN 2022 - Nov. 9, 2022

Obsolete Revision Information:
   2009 R18 EDITION - REAPPROVED IN 2018 - Oct. 1, 2018
   2009 R14 EDITION - REAPPROVED IN 2014 - Nov. 1, 2014
   2009 EDITION - Isothermal Corrosion Resistance of Refractories to Molten Gl - March 1, 2009
   1984 R89(E2) EDITION - EDITORIALLY CORRECTED - Jan. 1, 1995
   1984 EDITION - Isothermal Corrosion Resistance of Refractories to Molten Gl - Jan. 27, 1984
   1984 R89 EDITION - REAPPROVED IN 1989 - Jan. 27, 1984
   1984 R01 EDITION - REAPPROVED IN 2001 - Jan. 27, 1984
   1984 R95 EDITION - REAPPROVED IN 1995 - Jan. 27, 1984