Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

IGM Omnicat 320 UV Photoinitiator

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

Features Of IGM Omnicat 320 UV Photoinitiator

  1. Anhydrous liquid form - Anhydrous formula, liquid state easy to add and mix, good fluidity, improves processing efficiency

  2. Blended efficient initiation - Triarylsulfonium salt blended with propylene carbonate, high cationic initiation activity and stable curing

  3. Benzene-free low-odor environmental protection - Benzene-free formula, extremely low odor, meets high-end environmental compliance, suitable for sensitive scenarios

  4. Excellent solvent resistance and adhesion - Strong solvent resistance, low shrinkage after polymerization, outstanding film adhesion to various substrates

  5. Multi-scenario adaptation - Suitable for both industrial coatings and electronic lithography, no special adjustment, strong versatility

Typical Applications Of IGM Omnicat 320 UV Photoinitiator

  1. Can coatings field - Cationic UV coatings for cans, high solvent and corrosion resistance, suitable for food contact-related packaging

  2. Coil coatings field - UV-curable coil coatings, low shrinkage, strong adhesion, suitable for continuous production

  3. Pharmaceutical packaging field - UV inks/varnishes for pharmaceutical packaging, benzene-free and low odor, meeting strict compliance requirements

  4. Electronic lithography field - Electronic-grade photoresist curing, high precision, suitable for semiconductor manufacturing scenarios

  5. Epoxy system coatings - Epoxy-based UV protective coatings, weather and chemical resistance, suitable for industrial and electronic protection scenarios

Specifications Of IGM Omnicat 320 UV Photoinitiator

ModelOmnicat 320
BrandIGM (Omnicat® series)
Chemical TypeAnhydrous liquid triarylsulfonium salt cationic UV photoinitiator blend
Blend Composition50% Mixed Triarylsulfonium Hexafluoroantimonate + 50% Propylene Carbonate
Alias50% Mixed Triarylsulfonium Salts; 50% Propylene Carbonate
CAS No159120-95-3 + 108-32-7 (blend components)
Appearance (25℃)Colorless to pale yellow transparent anhydrous liquid
Purity≥98.0%


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