Evonik Launches New Carbon Black

Evonik Industries launches has launched a new a new high performance carbon black for mechanical rubber goods. Purex HS 45-RP, as it is known, are said to satisfy special requirements concerning PAH (polycyclic aromatic hydrocarbon) content. Purex HS 45-RP is reportedly equivalent to Purex HS 45 with the abbreviation RP signifying “reduced PAH content.”

Due to the relatively low specific surface area and high structure, compounds with Purex HS 45-RP are said to have good processability, low die swelling, and high microwave absorption. Moreover, the high quality of Purex HS 45-RP allows for production of extraordinarily smooth extrudate surfaces. According to the company, HS 45-RP features a particularly low sieve residue.

With their low PAH values, the Durex 0 and Purex 45-RP comply with Recommendation XXI of the Bundesinstitut für Risikobewertung (Germany) as well as the Arrêté du 09.11.1994 (France).