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Highly efficient free-radical photoinitiator with strong absorption at 260–380 nm UV range.
Low yellowing tendency, delivering excellent clarity and color stability in cured films.
Good solubility in common acrylic monomers and oligomers, enabling homogeneous formulation blending.
Fast curing kinetics under medium-pressure mercury lamp or LED UV sources (365 nm).
Low volatility and minimal odor, supporting safer handling and improved workplace air quality.
UV-curable coatings for wood, plastic, and metal substrates.
UV inks for digital inkjet, flexographic, and screen printing.
UV adhesives used in electronics assembly and optical bonding.
3D printing resins (SLA/DLP) requiring rapid surface cure and dimensional fidelity.
Photopolymerizable dental composites and medical device coatings.
| Chemical Type | α-Hydroxyketone |
| Product Form | White to off-white crystalline powder |
| Appearance | Free-flowing crystalline solid |
| Molecular Weight | 246.3 g/mol |
| Primary Applications | Free-radical UV-curable coatings, inks, adhesives, and 3D printing resins |
| Key Features | Low migration, low yellowing, high reactivity |
| Storage Conditions | Store in cool, dry place below 25°C; protect from light and moisture |
| Regulatory Status | REACH registered; compliant with FDA 21 CFR §175.300 for indirect food contact (subject to formulation limits) |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
