WEST CONSHOHOCKEN, Pa.—A new, abbreviated test method for ash content in recovered carbon black (rCB) is being analyzed by ASTM International, the regulatory body said Aug. 13. According to ASTM, the ...

Within the D36 committee is a subcommittee, D36.70, known as "rCB Testing in Rubber," which counts tire majors such as Continental A.G., Bridgestone Corp. and Michelin, and CB suppliers Birla Carbon, ...

ASTM member Pieter Ter Haar says the proposed WK91069 standard, still under development, is specifically for rCB as opposed to virgin carbon black. Image courtesy of Contec S.A.