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

IGM ESACURE A 198 Photoinitiator

IGM ESACURE A 198 is a high-efficiency benzophenone-type 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 flexible packaging and graphic arts due to its robust performance under LED-UV and conventional UV lamps.
  • igm esacure a 198 photoinitiator_d642a150
  • igm esacure a 198 photoinitiator_d642a150

Features Of IGM ESACURE A 198 Photoinitiator

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

  2. Low yellowing tendency, ensuring excellent clarity and color stability in final films.

  3. Good solubility in common acrylate monomers and oligomers, enabling homogeneous formulation.

  4. Minimal migration and odor, supporting compliance with stringent regulatory requirements for coatings and inks.

  5. Thermally stable up to 120 °C, facilitating processing in heat-sensitive applications.

Typical Applications Of IGM ESACURE A 198 Photoinitiator

  1. UV-curable clear coats for automotive and industrial finishes.

  2. Decorative and functional inkjet inks for rigid substrates.

  3. 3D printing resins requiring high resolution and low shrinkage.

  4. Optical adhesives and encapsulants for electronics assembly.

  5. Wood and plastic coatings demanding fast line speeds and low VOC emissions.

Specifications Of IGM ESACURE A 198 Photoinitiator

Chemical TypeAlpha-hydroxy ketone
Product FormPowder
AppearanceWhite to off-white crystalline powder
Primary ApplicationsUV-curable coatings, inks, adhesives, and 3D printing resins
Key FeaturesVisible-light initiation, low volatility, high photoreactivity
BenefitsReduced energy consumption, improved surface cure, enhanced compatibility
SolubilitySoluble in acrylates, methacrylates, and common organic solvents (e.g., ethyl acetate, MEK)
Storage ConditionsStore in original container at 5–25 °C, protected from light and moisture


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