ASTM-C550 › Complete Document History
Standard Test Method for Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation

Complete Current Edition:
   2015 R20 EDITION - REAPPROVED IN 2020 - Oct. 6, 2020

Obsolete Revision Information:
   2015 EDITION - Measuring Trueness and Squareness of Rigid Block and Board Thermal Insulation - Dec. 15, 2015
   2010 EDITION - Measuring Trueness and Squareness of Rigid Block and Board T - May 1, 2010
   2003 R09 EDITION - REAPPROVED IN 2009 - Dec. 1, 2009
   2003 EDITION - Measuring Trueness and Squareness of Rigid Block and Board T - Jan. 1, 2003
   1995 R01 EDITION - REAPPROVED IN 2001 - Jan. 15, 1995
   1995 EDITION - Measuring Trueness and Squareness of Rigid Block and Board T - Jan. 15, 1995
   1981 R87(E1) EDITION - EDITORIALLY CORRECTED - March 1, 1987
   1981 EDITION - Measuring Trueness and Squareness of Rigid Block and Board T - March 27, 1981