Photoinitiator 819 Supplier In China
Photoinitiator 819 (CAS 162881-26-7) | BAPO UV Photoinitiator | Deep Curing & Low Yellowing
Reliable Photoinitiator 819 for UV coatings, UV inks, UV adhesives, and 3D printing resin systems requiring stable curing depth and low yellowing performance.
- Purity: ≥ 98%
- MOQ: 1 kg sample / 25 kg bulk order
- Package: 20 kg carton / fiber drum export packaging
- Documents: TDS / SDS / COA available for formulation support
- Stable Supply From China for global industrial UV manufacturers
What is Photoinitiator 819
| Technical Data Sheet – Photoinitiator 819 | |
|---|---|
| Product Name | Photoinitiator 819 (BAPO) |
| CAS No. | 162881-26-7 |
| Chemical Name | Bisacylphosphine Oxide (BAPO) |
| Appearance | Yellow crystalline powder |
| Purity | ≥ 98% |
| Absorption Range | 365–420 nm (UV-LED / mercury lamp) |
| Function | Deep curing UV photoinitiation system |
| Application | UV coatings, inks, adhesives, 3D resins |
| Packaging | 20 kg carton / fiber drum (export grade) |
| Storage | Cool, dry, away from direct UV light |
Typical Applications of Photoinitiator 819
UVIXE Photoinitiator 819 (BAPO) is engineered for industrial UV curing systems requiring deep penetration, stable reactivity, and low yellowing performance. It supports UV coating manufacturers, UV ink formulators, adhesive producers, and 3D printing resin developers working in high-performance UV curing environments. Each category below is structured for formulation engineers and procurement teams selecting Photoinitiator 819 for production-scale UV systems.
UV Coating Systems Using Photoinitiator 819
Photoinitiator 819 UV coating systems are designed for deep curing, high hardness, and low yellowing industrial finishes.
UV Curable Coatings for Wood
Photoinitiator 1173 for wood finishing UV systems with fast curing performance.
- Fast surface drying
- Smooth coating finish
- Low yellowing result
UV Resistant Clear Coat for Plastic
Used in plastic surface protection coatings with stable UV response.
- High transparency coating
- Strong adhesion on plastics
- Stable curing speed
UV Coating Glasses
Photoinitiator 1173 for UV coating glass surfaces with high transparency requirements.
- High optical clarity coating
- Low yellowing for glass applications
- Stable UV curing performance
UV Coating Paper
Photoinitiator 1173 used in UV coating paper and overprint varnish systems.
- Fast curing on paper substrates
- Good surface gloss control
- Compatible with printing systems
UV Coating for Metal
Photoinitiator 1173 applied in UV coating for metal protection systems.
- Strong adhesion on metal surface
- Fast curing for industrial coating lines
- Durable protective coating
UV Leather Coating
Photoinitiator 1173 used in UV leather coating for surface finishing systems.
- Flexible coating performance
- Smooth surface appearance
- Stable curing without cracking
UV Ink Applications of Photoinitiator 1173
UV Inks for Offset Printing
Fast curing UV ink system for paper and carton printing.
- High-speed drying
- Stable color density
- Low odor formulation
UV Inks for Flexo Printing
Used in packaging film printing UV systems.
- Strong film adhesion
- Fast production line speed
- Clear printing result
UV Screen Printing Ink
UV curing additive for specialty printing applications.
- Thick ink layer curing
- High surface hardness
- Industrial durability
UV Curable Adhesive Applications of Photoinitiator 1173
UV Acrylic Adhesive
Fast curing UV ink system for paper and carton printing.
- High-speed drying
- Stable color density
- Low odor formulation
UV Curing Optical Adhesive
Used in precision optical component assembly.
- High transparency bonding
- Low shrinkage system
- Stable UV reaction
UV Adhesive for Electronics
Used in PCB and electronic protection coatings.
- Fast encapsulation curing
- Strong insulation performance
- Heat resistance support
Why Choose Photoinitiator 819 from UVIXE
- Stable batch-to-batch consistency for industrial UV curing systems
- Controlled particle quality for better dissolution in resin systems
- Compatible with UV-LED and mercury lamp curing equipment
- Supports deep curing in pigmented and thick film formulations
- Export-ready documentation: TDS, SDS, COA provided per shipment
- Flexible MOQ for lab testing and bulk industrial orders
- Technical support for UV formulation adjustment and optimization
- Fast response for OEM, distributor, and long-term supply agreements
Photoinitiator 819 Equivalent to Leading Brands
UVIXE Photoinitiator 819 can replace:
- Irgacure 819
- Omnirad 819
✔ Same BAPO chemical structure for UV radical generation
✔Comparable deep curing performance in UV-LED systems
✔ Similar low yellowing behavior in clear coating systems
✔ Stable compatibility in pigmented ink and adhesive systems
✔ Industrial batch consistency suitable for scale-up production
UVIXE focuses on consistent supply stability, formulation reliability, and export-ready documentation for global UV manufacturers using Photoinitiator 819 as a core curing component.
FAQ of Photoinitiator 819
What is Photoinitiator 819 used for in industrial UV systems?
Photoinitiator 819 (CAS 162881-26-7) is used in UV coatings, inks, adhesives, and 3D printing resins requiring deep curing performance. It is suitable for UV-LED and mercury lamp systems, especially in thick film and pigmented formulations.
What is the CAS number of Photoinitiator 819?
The CAS number is 162881-26-7. It identifies Photoinitiator 819 as Bisacylphosphine Oxide (BAPO), a Type I UV photoinitiator used in industrial curing applications.
Is Photoinitiator 819 suitable for UV-LED curing systems?
Yes, Photoinitiator 819 performs well under UV-LED wavelengths (365–420 nm). It is widely used in modern LED UV curing systems requiring deep penetration and stable reactivity.
Can Photoinitiator 819 be used in high pigment UV ink systems?
Yes, Photoinitiator 819 is designed for pigmented systems. It maintains curing efficiency in UV inks with high pigment load where standard photoinitiators may underperform.
What is the difference between Photoinitiator 819 and TPO?
Photoinitiator 819 is optimized for deep curing and thick film applications, while TPO is mainly used for fast surface curing in thin coatings and printing inks. 819 performs better in pigmented and deep-layer systems.
Can Photoinitiator 819 replace Irgacure 819 or Omnirad 819?
Yes, Photoinitiator 819 is chemically equivalent to Irgacure 819 and Omnirad 819 (BAPO family) and can be used as a direct formulation substitute without changing UV curing systems.
What is the recommended dosage of Photoinitiator 819?
Typical dosage ranges from 1% to 5% depending on resin type, coating thickness, and pigment concentration. Formulation testing is recommended for optimization.
Does Photoinitiator 819 support deep curing in thick coatings?
Yes, Photoinitiator 819 is specifically designed for deep curing applications. It provides strong penetration in thick UV coating systems and maintains uniform curing throughout the layer.
Related Products Of Photoinitiator 819
For UV formulation engineers and industrial buyers working with Photoinitiator 819 systems, UVIXE provides a full range of UV photoinitiators designed for different curing speeds, wavelengths, and application requirements. These products help optimize surface cure, deep cure, and pigment compatibility in UV systems.
Technical Support For Photoinitiator 819
UVIXE provides technical support for Photoinitiator 819 (CAS 162881-26-7) to help UV coating manufacturers, UV ink formulators, adhesive producers, and resin developers optimize curing performance in industrial UV systems. Support covers deep curing formulation design, UV-LED compatibility adjustment, pigment system stability, and curing speed balance in thick film applications. Photoinitiator 819 is widely used in BAPO-based systems where penetration depth and low yellowing performance are required. For formulation engineers, UVIXE technical documentation and application notes help improve curing efficiency in UV coatings, inks, adhesives, and 3D printing resins.
Visit UVIXE technical blog for Photoinitiator 819 formulation guidance, curing case studies, and system optimization references.
Ready to Source Photoinitiator 819?
Submit your inquiry now and get Photoinitiator 819 pricing, samples, and technical support from UVIXE.
- Fast quotation for bulk and sample orders within 24 hours
- Full technical package: TDS, SDS, COA available on request
- Stable industrial supply for UV coating and ink production systems