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

IGM Omnipol ASA Photoinitiator

IGM Omnipol ASA is a high-performance acylphosphine oxide photoinitiator offering rapid curing under UV/LED light with excellent surface cure and low yellowing. Ideal for inks coatings and adhesives requiring deep penetration and oxygen inhibition resistance. Part of IGM’s Omnipol series it delivers superior reactivity and formulation stability across diverse industrial applications.
  • igm omnipol asa photoinitiator_d3c7a776
  • igm omnipol asa photoinitiator_d3c7a776

Features Of IGM Omnipol ASA Photoinitiator

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

  2. Excellent surface cure and through-cure balance, minimizing oxygen inhibition effects.

  3. Low volatility and negligible odor, supporting safer handling and compliance with industrial hygiene standards.

  4. Good compatibility with acrylate monomers and oligomers, including multifunctional and epoxy acrylates.

  5. Thermally stable up to 120 °C, enabling robust performance in warm-processing environments.

Typical Applications Of IGM Omnipol ASA Photoinitiator

  1. UV-curable inkjet inks for packaging and decorative printing.

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

  3. 3D printing resins (SLA/DLP) requiring high resolution and low shrinkage.

  4. Adhesives and sealants for electronics assembly and optical bonding.

  5. Overprint varnishes and functional coatings in flexible packaging.

Specifications Of IGM Omnipol ASA Photoinitiator

Chemical TypeAcylphosphine oxide (APO)
Product FormPale yellow to off-white crystalline powder
AppearanceFree-flowing crystalline solid
Primary ApplicationsUV/visible-light curable coatings, inks, adhesives, and 3D printing resins
Key FeaturesVisible-light initiation, low migration, high reactivity, excellent surface cure
BenefitsEnergy-efficient curing, reduced VOC emissions, improved substrate adhesion, enhanced final film hardness
Storage ConditionsStore in original container at 5–25 °C, protected from light and moisture
Shelf Life24 months from date of manufacture when stored properly


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