ASTM-D4989 › Complete Document History
Standard Test Method for Apparent Viscosity (Flow) of Roofing Bitumens Using the Parallel Plate Plastometer

Complete Current Edition:
   1990A R21 EDITION - REAPPROVED IN 2021 - Jan. 6, 2021

Obsolete Revision Information:
   1990A R14(E1) EDITION - REAPPROVED IN 2014, EDITORIALLY CORRECTED - Jan. 1, 2014
   1990A R08 EDITION - REAPPROVED IN 2008 - May 1, 2008
   1990A R04 EDITION - REAPPROVED IN 2004 - May 1, 2004
   1990A R94(E1) EDITION - APPARENT VISCOSITY (FLOW) OF R - Nov. 1, 1994
   1990A R99(E1) EDITION - SWITCHED FROM ENGLISH TO SI DO - Nov. 30, 1990
   1990A EDITION - APPARENT VISCOSITY (FLOW) OF R - Nov. 30, 1990
   1990 EDITION - APPARENT VISCOSITY (FLOW) OF R - Feb. 9, 1990