IGM Omnicat BL 550 is a reactive polymeric cationic UV photoinitiator blend in the Omnicat® series, designed for cationic curing inks and coatings, especially suitable for colored inks. It is a mixture of 20% Omnicat 550, 25% propylene carbonate and 55% UVR 6105 (alicyclic epoxy resin), featuring benzene-free, low odor and low viscosity. Not sensitized by hydroxyketone, thioxanthone or anthracene derivatives, it has high solvent resistance and excellent adhesion, an efficient curing solution for harsh scenarios like can, coil and pharmaceutical packaging.
Reactive blend synergism - Multi-component blend synergy, high reactivity and excellent cationic curing efficiency
Colored system adaptation - Designed for colored inks, not affected by various sensitizers, no damage to coloring effect
Benzene-free low-odor easy processing - Benzene-free formula, extremely low odor, low viscosity and good fluidity, easy to add and mix
High solvent resistance and adhesion - Strong solvent resistance, low shrinkage after polymerization, excellent film-substrate adhesion
Multi-system compatibility - Suitable for epoxy, oxetane and other systems, applicable to various harsh curing scenarios
Colored cationic inks - Various colored cationic UV inks, fast curing, stable coloring without fading
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
Epoxy system coatings - Epoxy-based UV protective coatings, usable in precision scenarios like OLED encapsulation, stable performance
| Brand | IGM (Omnicat® series) |
| Chemical Type | Reactive polymeric cationic UV photoinitiator blend |
| Alias | Mixture of 20% Omnicat 550 in 25% Propylene Carbonate and 55% UVR 6105 |
| CAS No | 591773-92-1 + 108-32-7 + 2386-87-0 (blend components) |
| Appearance (25℃) | Pale yellow to yellow transparent viscous liquid |
| Purity | ≥98.0% |
| Viscosity (25℃) | 30-50mPa·s |
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