Work Item
ASTM WK84418

Revision of D6556-21 Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption


This revision adds advice for characterizing the external surface area of carbonaceous materials not specifically covered in the scope of this Test Method. No separate Test Method exists for these materials, most of which have higher total surface areas than the reinforcing carbon black materials included in Classification D1765. The Subcommittee respectfully requests your affirmative vote.


Developed by Subcommittee: D24.21

Committee: D24

Staff Manager: Melissa Marcinowski

Work Item Status

Date Initiated: 12-06-2022

Technical Contact: Tony Thornton

Item: 000