IGM Omnicat 432 is a high-efficiency blended cationic UV photoinitiator in the Omnicat® series, blended with 45% mixed triarylsulfonium hexafluorophosphate salts and 55% propylene carbonate. It is designed for cationic curing of epoxy, oxetane and vinyl ether formulations, efficiently initiates cationic polymerization under UV light, with low viscosity, high solvent resistance, low shrinkage and excellent adhesion, benzene-free and low odor.
Efficient cationic initiation - Specifically initiates cationic polymerization, stable reaction, excellent curing efficiency
Blended synergistic effect - Blend of salts and propylene carbonate, balancing activity and processability, ready to use
Excellent curing performance - Low shrinkage after polymerization, strong adhesion, high solvent resistance, stable performance
Environmental low-odor adaptation - Benzene-free formula, extremely low odor, meeting high-end environmental and compliance requirements
Low viscosity easy processing - Liquid low viscosity, good fluidity, easy to add and mix, suitable for large-scale production
Can coatings field - Various UV cationic coatings for cans, high solvent and corrosion resistance, suitable for food contact-related packaging
Coil coatings field - UV-curable coil coatings, low shrinkage, strong adhesion, suitable for continuous production
Pharmaceutical packaging field - UV inks/coatings for pharmaceutical packaging, benzene-free and low odor, meeting strict compliance requirements
Flexo/screen inks - Cationic flexo and screen printing inks, fast curing, high printing precision
Overprint varnish field - Various UV overprint varnishes, improving surface gloss and abrasion resistance, suitable for high-end printing
| Brand | IGM (Omnicat® series) |
| Chemical Type | Blended cationic UV photoinitiator |
| Blend Composition | 45% mixed triarylsulfonium hexafluorophosphate salts + 55% propylene carbonate |
| Alias | 4,4'-Dimethyl-diphenyliodonium hexafluorophosphate |
| CAS No | 68156-13-8 + 74227-35-3 + 108-32-7 (blend components) |
| Appearance (25℃) | Colorless to pale yellow transparent liquid |
| Density (20℃) | 1.28-1.32 g/mL |
| Viscosity (25℃) | 15-35 mPa·s |
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