SpeedCure BEM

SpeedCure BEM is a Norrish Type II photoinitiator of the benzophenone family, with an absorption maximum at 254 nm. SpeedCure BEM provides high reactivity and surface cure when used at 0.5-5 wt% and combined with an amine synergist in UV curable formulations.

CAS no. 131-58-8, 134-84-9, 119-61-9
Chemical name A eutectic mixture of benzophenone and methylbenzophenones