Work Item
ASTM WK97364
Revision of D5230-21e1 Standard Test Method for Carbon Black—Automated Individual Pellet Hardness
Rationale
Chapter "5.3 Sieves" allows two different sieve sizes to be used, however, the Precision & Bias statements do not indicate from which fraction the results have been obtained. It is suggested to add a clarifying note.
Work Item Status
Date Initiated: 12-10-2025
Technical Contact: Yves Leiner