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

IGM Omnicat 550 UV Photoinitiator

IGM Omnicat 550 is a novel liquid iodonium salt cationic UV photoinitiator in the Omnicat series, designed for cationic curing of epoxy, oxetane and vinyl ether formulations. Its chemical composition is 10-biphenyl-4-yl-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate, featuring benzene-free, low odor and low viscosity. With high solvent resistance, excellent adhesion and low shrinkage after polymerization, it is suitable for special harsh scenarios such as can coatings and coil coatings, an efficient and environmentally friendly core additive for cationic curing.

Features Of IGM Omnicat 550 UV Photoinitiator

  1. Novel liquid iodonium salt structure - Liquid form, high activity, high cationic initiation efficiency and stable curing reaction

  2. Benzene-free and low-odor environmental protection - Benzene-free formula, extremely low odor, meeting high-end environmental compliance, suitable for sensitive applications

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

  4. Excellent curing performance - High solvent resistance, low shrinkage after polymerization, excellent film adhesion and stable performance

  5. Multi-system adaptation - Specifically suitable for three core formula systems: epoxy, oxetane and vinyl ether

Typical Applications Of IGM Omnicat 550 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. Cationic UV inks - High-end cationic printing inks and overprint varnishes, fast curing, high printing precision

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

Specifications Of IGM Omnicat 550 UV Photoinitiator

BrandIGM (Omnicat series)
Chemical TypeNovel liquid iodonium salt cationic UV photoinitiator
CAS No591773-92-1
Appearance (25℃)Pale yellow to yellow transparent liquid
Purity≥98.5%
Viscosity (25℃)28-35mPa·s
Absorption Wavelength Range240-330nm (in methanol)


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