High Purity Diphenyl(2,4,6-trimethylbenzoyl)phosphine Oxide (TPO): Your Reliable UV Photoinitiator Supplier in China
Discover the power of TPO, a premier Type I photoinitiator, essential for achieving efficient UV curing in your coatings, inks, and adhesives. We are your trusted manufacturer and supplier in China, offering high-purity products with competitive pricing and swift delivery.
Get a Quote & SampleUnlock Superior UV Curing Performance with TPO

Diphenyl(2,4,6-trimethylbenzoyl)phosphine Oxide
As a leading manufacturer and supplier of specialty chemicals in China, we offer high-purity Diphenyl(2,4,6-trimethylbenzoyl)phosphine Oxide (TPO), a Type I photoinitiator vital for UV-curable systems. Our TPO ensures excellent through-cure capabilities and color stability, making it ideal for various demanding applications. We guarantee consistent quality and competitive prices for bulk purchases, ensuring your manufacturing process benefits from reliable supply.
- Experience the benefits of a reliable UV photoinitiator supplier for your acrylate systems
- Achieve rapid photocuring speeds with our high-purity TPO, a critical component for inks and coatings
- Source your UV curing needs from a trusted manufacturer in China, offering bulk purchase options
- Benefit from our TPO’s low volatility and mild smell, enhancing formulation safety and handling
Key Advantages of Our TPO Photoinitiator
Exceptional Through-Cure Performance
Our TPO photoinitiator excels in achieving deep and complete curing, even in thick coatings and highly pigmented systems, ensuring robust product integrity.
Broad Spectrum Absorption
With effective absorption peaks from 350-400nm and extending to 420nm, TPO initiates polymerization swiftly, boosting production efficiency for UV curable inks.
Color Stability and Low Yellowing
Formulators can rely on TPO for its anti-yellowing properties and photobleaching effect, preserving the aesthetic appeal of finished products.
Versatile Applications for UV Curing Solutions
UV Curable Coatings
Ideal for clear, pigmented, and thick coatings, our TPO photoinitiator ensures fast and efficient curing for demanding industrial and decorative finishes.
Printing Inks
Enhance the drying speed and performance of screen printing, lithographic, and flexographic inks with our high-quality TPO, available for bulk purchase.
Adhesives and Sealants
Achieve rapid bonding and reliable performance in UV-curable adhesives and sealants, meeting stringent industry requirements.
3D Printing Resins
Our TPO photoinitiator is a key component in advanced 3D printing slurries, enabling precise and rapid layer curing for complex geometries.