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

IGM Omnicat 250 UV Photoinitiator

IGM Omnicat 250 is a versatile cationic UV photoinitiator blend in the Omnicat series, designed for epoxy and oxetane-based UV-curable systems. It consists of 75% iodonium hexafluorophosphate and 25% propylene carbonate, featuring benzene-free, low odor and low viscosity. With outstanding curing efficiency, it is especially suitable for thick films and highly pigmented systems, an efficient core curing additive for cationic inks, coatings, adhesives and 3D printing.

Features Of IGM Omnicat 250 UV Photoinitiator

  1. Versatile blended initiation - Iodonium salt blended with propylene carbonate, high cationic initiation activity, suitable for various curing systems

  2. Thick film and high pigment adaptation - Designed for thick films and highly pigmented systems, sufficient curing depth, uniform coloring without fading

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

  4. Low viscosity easy processing - Low viscosity and good fluidity, easy to add and mix, improves formulation processing efficiency and stability

  5. Multi-scenario versatility - Suitable for inks, coatings, adhesives and 3D printing, no special adjustment, strong versatility

Typical Applications Of IGM Omnicat 250 UV Photoinitiator

  1. Cationic UV inks - Various cationic printing inks and overprint varnishes, fast curing, high printing precision

  2. Thick film and high pigment coatings - Thick film and highly pigmented UV coatings, sufficient curing depth, stable film performance

  3. Can/coil coatings - Cationic UV coatings for cans and coils, high solvent and corrosion resistance, suitable for continuous production

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

  5. Adhesives & 3D printing - UV-curable adhesives and 3D printing materials, high curing efficiency, good molding precision

Specifications Of IGM Omnicat 250 UV Photoinitiator

BrandIGM (Omnicat® series)
Chemical TypeVersatile iodonium salt cationic UV photoinitiator blend
CAS No344562-80-7 + 108-32-7 (blend components)
Appearance (25℃)Pale yellow to yellow transparent liquid
Purity≥98.0%
Viscosity (25℃)20-40mPa·s
Absorption Wavelength Range240-340nm (in methanol)


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