中固化学® CAT-551 is a 阳离子光引发剂 with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365/385/395nm and can be used for LED curing.
Compared with the ITX structure in 中固化学® CAT-550, the DETX structure in 中固化学® CAT-551 is more environmentally friendly and has lower biological toxicity. It can be used in food packaging to replace Omnicat 550.
