SpeedCure XKm

SpeedCure XKm is a hybrid Norrish Type I / Norrish Type II photoinitiator from the phosphine oxide family, with absorption maxima at 281, 365 and 395 nm. SpeedCure XKm provides high reactivity, surface cure and depth cure when used at 0.5-5 wt% and combined with an amine synergist in UV curable formulations.

CAS no. 1539267-56-5
Chemical name A substituted acyl-phosphine oxide