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UV Photoinitiator 819 For Printing Inks

UV Photoinitiator
May 26, 2025
Category Connection: UV Photoinitiator
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Tags:
#819 #TPO #Benzophenone
Brief: Discover the Excellent Absorption Properties UV Photoinitiator 819, designed for high-performance printing inks. This advanced photoinitiator ensures superior curing of pigmented formulations and outdoor applications, offering weather stability without compromising cure speed. Ideal for thick coatings and clean white finishes.
Related Product Features:
  • Excellent curing performance for pigmented formulations and outdoor applications.
  • Compatible with UV absorbers for enhanced weather stability.
  • Maintains high cure speed even with added UV absorbers.
  • Provides thorough curing for thick coating films.
  • Delivers a clean white appearance, unlike other long-wavelength photoinitiators.
  • Pale yellow powder with a melting range of 127.0-135.0°C.
  • High purity of ≥98.5% with strong UV absorption at 370nm.
  • Stable for 12 months when stored properly in cool, dry conditions.
Faqs:
  • What are the key benefits of UV Photoinitiator 819?
    UV Photoinitiator 819 offers excellent curing for pigmented formulations, outdoor durability, and compatibility with UV absorbers for weather stability, all while maintaining fast cure speeds.
  • How does UV Photoinitiator 819 perform in thick coatings?
    It ensures good through-curing of thick coating films, providing consistent performance and a clean white finish.
  • What is the shelf life of UV Photoinitiator 819?
    When stored in tightly closed containers in a cool, dry, well-ventilated area, it has a shelf life of 12 months.
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