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Highly efficient Type II photoinitiator with excellent reactivity under UV-A and visible light (365–405 nm).
Low yellowing tendency, delivering superior clarity and color stability in final cured films.
Good solubility in common acrylate monomers and oligomers, enabling homogeneous formulation blending.
Reduced migration potential due to high molecular weight and low volatility.
Compatible with amine synergists for enhanced surface cure and reduced oxygen inhibition.
UV-curable inkjet inks for packaging and decorative printing.
Clear and pigmented coatings for wood, plastic, and metal substrates.
Optical adhesives and laminating films requiring high transparency and low haze.
3D printing resins (SLA/DLP) where low odor and controlled reactivity are critical.
Overprint varnishes and functional topcoats in flexible packaging applications.
| Chemical Type | Bisacylphosphine oxide (BAPO) |
| Product Form | Free-flowing white to off-white crystalline powder |
| Appearance | White to pale yellow crystalline solid |
| Primary Applications | UV/LED-curable coatings, inks, adhesives, and 3D printing resins |
| Key Features | Type II photoinitiator, long-wavelength sensitive, low yellowing |
| Benefits | Improved through-cure, reduced surface tack, enhanced formulation stability |
| Solubility | Good in acrylates, methacrylates, and epoxy acrylates; limited in water |
| Storage Conditions | Store in original container at 15–25°C, protected from light and moisture |
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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
