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SpeedCure 939

4-isopropyl-4’-methyldiphenyliodonium tetrakis (pentafluorophenyl)borate
#CAS 178233-72-2
Product overview
SpeedCure 939 is cationic photoinitiator of the iodonium borate family with absorption maximum at 258 nm. SpeedCure 939 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.
Geographic availability
Performance Depth Cure, LED, Pigmented Systems, Surface Cure