ASTM-C849 Complete Document History
Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares

Complete Current Edition:
   1988 R20 EDITION - REAPPROVED IN 2020 - Dec. 11, 2020

Obsolete Revision Information:
   1988 R16 EDITION - REAPPROVED IN 2016 - July 1, 2016
   1988 R11 EDITION - REAPPROVED IN 2011 - Feb. 1, 2011
   1988 R06 EDITION - REAPPROVED IN 2006 - Jan. 1, 2006
   1988 R99 EDITION - REAPPROVED IN 1999 - Sept. 30, 1988
   1988 EDITION - Knoop Indentation Hardness of Ceramic Whitewares - Sept. 30, 1988
   1981 EDITION - Knoop Indentation Hardness of Ceramic Whitewares - Jan. 1, 1981