IGM Omnicat 320 is an anhydrous liquid triarylsulfonium salt cationic UV photoinitiator blend in the Omnicat series, designed for cationic curing systems. It is a mixture of 50% mixed triarylsulfonium hexafluoroantimonate and 50% propylene carbonate, featuring benzene-free, low odor, low viscosity and excellent anhydrous performance. With high solvent resistance, low shrinkage and outstanding adhesion, it is suitable for can coatings, coil coatings, pharmaceutical packaging and electronic lithography
Anhydrous liquid form - Anhydrous formula, liquid state easy to add and mix, good fluidity, improves processing efficiency
Blended efficient initiation - Triarylsulfonium salt blended with propylene carbonate, high cationic initiation activity and stable curing
Benzene-free low-odor environmental protection - Benzene-free formula, extremely low odor, meets high-end environmental compliance, suitable for sensitive scenarios
Excellent solvent resistance and adhesion - Strong solvent resistance, low shrinkage after polymerization, outstanding film adhesion to various substrates
Multi-scenario adaptation - Suitable for both industrial coatings and electronic lithography, no special adjustment, strong versatility
Can coatings field - Cationic UV 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/varnishes for pharmaceutical packaging, benzene-free and low odor, meeting strict compliance requirements
Electronic lithography field - Electronic-grade photoresist curing, high precision, suitable for semiconductor manufacturing scenarios
Epoxy system coatings - Epoxy-based UV protective coatings, weather and chemical resistance, suitable for industrial and electronic protection scenarios
| Model | Omnicat 320 |
| Brand | IGM (Omnicat® series) |
| Chemical Type | Anhydrous liquid triarylsulfonium salt cationic UV photoinitiator blend |
| Blend Composition | 50% Mixed Triarylsulfonium Hexafluoroantimonate + 50% Propylene Carbonate |
| Alias | 50% Mixed Triarylsulfonium Salts; 50% Propylene Carbonate |
| CAS No | 159120-95-3 + 108-32-7 (blend components) |
| Appearance (25℃) | Colorless to pale yellow transparent anhydrous liquid |
| Purity | ≥98.0% |
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