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

IGM ESACURE 198 Photoinitiator

IGM ESACURE 198 is a high-efficiency benzophenone-based photoinitiator from IGM Resins’ ESACURE series, designed for UV-curable inks, coatings and adhesives. It offers excellent surface cure, low migration, and compatibility with acrylate systems. Widely used in flexo, offset and screen printing applications requiring rapid polymerization under UV-A light.
  • igm esacure 198 photoinitiator_4996944f
  • igm esacure 198 photoinitiator_4996944f

Features Of IGM ESACURE 198 Photoinitiator

  1. High reactivity under medium-pressure mercury lamp UV sources (365 nm peak).

  2. Excellent solubility in common acrylate monomers and oligomers.

  3. Low volatility and minimal odor, supporting safer handling in industrial formulations.

  4. Good thermal stability up to 80 °C during storage and processing.

  5. Enables rapid surface cure with low yellowing tendency in final films.

Typical Applications Of IGM ESACURE 198 Photoinitiator

  1. UV-curable coatings for wood and plastic substrates.

  2. Printing inks for flexible packaging and label applications.

  3. Electronics encapsulants and conformal coatings.

  4. Adhesives for optical bonding and assembly of precision components.

  5. 3D printing resins requiring fast gelation and high resolution.

Specifications Of IGM ESACURE 198 Photoinitiator

Chemical TypeBenzophenone derivative
Product FormPale yellow to light amber liquid
AppearanceClear, homogeneous liquid at 25 °C
Primary ApplicationsFree-radical UV-curable systems
Key FeaturesSurface cure promoter, low migration
BenefitsReduced oxygen inhibition, improved through-cure
Storage ConditionsStore below 30 °C, protected from light and moisture
Shelf Life24 months from date of manufacture when stored properly


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