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High reactivity under UV-A and visible light (365–405 nm), enabling fast cure speeds in LED-driven systems.
Low yellowing tendency, delivering excellent long-term clarity and color stability in transparent coatings and inks.
Good solubility in common acrylate monomers and oligomers, ensuring homogeneous formulation without crystallization issues.
Reduced migration potential compared to Type I photoinitiators, supporting compliance with stringent food-contact and medical device regulations.
Thermally stable up to 120 °C, allowing compatibility with high-temperature processing and post-cure steps.
UV-curable clear and pigmented coatings for wood, plastic, and metal substrates.
LED-curable digital inks for inkjet printing on packaging, labels, and decorative films.
Optical adhesives and encapsulants requiring low volatility and high transparency.
3D printing resins (SLA/DLP) where reduced odor and skin sensitization risk are critical.
Overprint varnishes and functional topcoats for flexible packaging and pharmaceutical blister foils.
| Chemical Type | Bisacylphosphine oxide (BAPO) |
| 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 responsive, low yellowing, low migration, thermal stability |
| Benefits | Enables energy-efficient LED curing, improves final product aesthetics and regulatory compliance |
| Solubility | Freely soluble in common (meth)acrylate monomers and oligomers |
| Storage Conditions | Store below 25 °C in original sealed container, protect from light and moisture |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
