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

IGM Omnicat 445 UV Photoinitiator

IGM Omnicat 445 is a high-efficiency benzene-free cationic UV photoinitiator blend in the Omnicat series, designed for cationic curing of epoxy, oxetane and vinyl ether formulations. It is a mixture of 50% Omnicat 440 and 50% oxetane, featuring low odor and benzene-free environmental protection. With low viscosity, high solvent resistance, low shrinkage and excellent adhesion after polymerization, it is suitable for special harsh scenarios such as can coatings, coil coatings and pharmaceutical packaging

Features Of IGM Omnicat 445 UV Photoinitiator

  1. Benzene-free and low-odor - Benzene-free formula, extremely low odor, meeting high-end environmental and compliance requirements, suitable for sensitive scenarios

  2. Efficient cationic initiation - Specifically initiates cationic polymerization, stable reaction and excellent curing efficiency

  3. Blended synergistic effect - Blended with 50% Omnicat 440 and 50% oxetane, balancing activity and processability, ready to use

  4. Excellent curing performance - Low shrinkage, strong adhesion after polymerization, high solvent resistance and stable performance

  5. Low viscosity easy processing - Low viscosity, good fluidity, easy to add and mix, suitable for large-scale production and special coating processing

Typical Applications Of IGM Omnicat 445 UV Photoinitiator

  1. Can coatings field - Various 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/coatings for pharmaceutical packaging, benzene-free and low odor, meeting strict compliance requirements

  4. UV flexo/screen inks - Cationic flexo and screen printing inks, fast curing, high printing precision

  5. Radiation-curable adhesives - Radiation-curable packaging and bookbinding adhesives, high bonding strength, suitable for various substrates

Specifications Of IGM Omnicat 445 UV Photoinitiator

BrandIGM (Omnicat® series)
Chemical TypeBenzene-free iodonium hexafluorophosphate cationic UV photoinitiator blend
Blend Composition50% Omnicat 440 + 50% oxetane
AliasMixture of 50% Omnicat 440 in 50% oxetane
CAS No60565-88-0 + 3047-32-3 (blend components)
Appearance (25℃)Colorless to pale yellow transparent liquid
Density (20℃)1.25-1.30 g/mL
Viscosity (25℃)20-40 mPa·s
Absorption Wavelength Range230-320nm (in methanol)


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