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High reactivity under UV and visible light (385–420 nm), enabling efficient curing with LED sources.
Low yellowing tendency, delivering excellent clarity and color stability in final cured films.
Good solubility in common acrylate monomers and oligomers, ensuring homogeneous formulation integration.
Low volatility and minimal odor, supporting safer handling and improved workplace air quality.
Excellent shelf stability when stored under recommended conditions (cool, dry, dark).
UV-curable coatings for wood and plastic substrates.
LED-curable inks for digital inkjet printing (e.g., packaging, décor, signage).
Optical adhesives and encapsulants requiring high transparency and low migration.
3D printing resins (SLA/DLP) where low shrinkage and high resolution are critical.
Overprint varnishes and functional topcoats in graphic arts applications.
| Chemical Type | Acylphosphine oxide (APO) |
| Product Form | Powder |
| Appearance | White to off-white crystalline powder |
| Primary Applications | UV/LED-curable coatings, inks, adhesives, and 3D printing resins |
| Key Features | Visible-light initiation, low yellowing, high reactivity |
| Benefits | Energy-efficient curing, superior optical clarity, formulation flexibility |
| Storage Conditions | Store at 5–25 °C, protected from light and moisture |
| Regulatory Status | REACH registered; compliant with EU Directive 2004/98/EC for photoinitiators |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
