JRCure 938 by Anstar is an aromatic iodonium salt photoinitiator designed for cationic UV-curing systems. It features high photoinitiation activity, fast curing speed, and excellent surface drying. The product offers non-yellowing and non-migratory performance with no odor, making it suitable for applications where colour stability and surface quality are critical. It shows improved absorption at 365 nm and 385 nm when used with a sensitizer. JRCure 938 has a shelf life of 12 months. Recommended dosage level is 0.5-2% w/w.
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