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

IGM Omnirad 4MBZ Flakes Photoinitiator

IGM Omnirad 4MBZ Flakes is a high-purity benzophenone-based photoinitiator from the Omnirad series, offering excellent surface cure efficiency and low yellowing in UV-curable inks, coatings, and adhesives. Its flake form ensures easy handling and uniform dispersion, delivering reliable free-radical initiation under UVA light with minimal migration and odor.
  • igm omnirad 4mbz flakes photoinitiator_e3783e8b
  • igm omnirad 4mbz flakes photoinitiator_e3783e8b

Features Of IGM Omnirad 4MBZ Flakes Photoinitiator

  1. High reactivity under UV-A and visible light (365–405 nm), enabling rapid curing in low-energy systems.

  2. Excellent solubility in common acrylate monomers and oligomers, ensuring homogeneous formulation dispersion.

  3. Low yellowing tendency post-cure, supporting high-gloss and optically clear final coatings and inks.

  4. Good thermal stability in solid flake form, facilitating safe handling, storage, and metering in industrial processes.

  5. Reduced volatility and migration compared to liquid photoinitiators, enhancing compliance with food-contact and packaging regulations.

Typical Applications Of IGM Omnirad 4MBZ Flakes Photoinitiator

  1. UV-curable inkjet inks for digital printing on flexible packaging and labels.

  2. Clear and pigmented UV coatings for wood, plastic, and metal substrates.

  3. Optical adhesives and laminating resins requiring low-color shift and high transparency.

  4. 3D printing resins (SLA/DLP) where controlled reactivity and minimal odor are critical.

  5. Overprint varnishes and functional barrier coatings in pharmaceutical and food packaging.

Specifications Of IGM Omnirad 4MBZ Flakes Photoinitiator

Chemical TypeBenzophenone derivative (mono-functional)
Product FormFree-flowing white to off-white flakes
AppearanceCrystalline solid flakes
Primary ApplicationsUV/visible-light curable inks, coatings, adhesives, and 3D printing resins
Key FeaturesVisible-light initiation, low migration, low yellowing, high solubility
BenefitsEnergy-efficient curing, regulatory compliance (EU 10/2011, FDA extractables), formulation flexibility
Solubility (25°C)Freely soluble in TMPTA, HDDA, PEGDA; partially soluble in IPA/water mixtures
Storage ConditionsStore below 25°C in original sealed container, protected from light and moisture


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