SpeedCure 938

SpeedCure 938 is cationic photoinitiator of the iodonium hexafluorophosphate family, with absorption maximum at 241 nm. SpeedCure 938 provides high reactivity and solubility in cationic systems when used at 0.5-5 wt% in UV curable formulations and LED curable formulations when sensitised with thioxanthones.

CAS no. 61358-25-6
Chemical name Bis-(4-t-butylphenyl)-Iodonium hexafluorophosphate