BAPO Photoinitiator(819) Supplier In China
BAPO Photoinitiator (819) (CAS 162881-26-7) | BAPO UV Photoinitiator | Deep Curing & Low Yellowing
Reliable BAPO 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 BAPO Photoinitiator (819)
BAPO Photoinitiator (819) (CAS 162881-26-7), also known as BAPO (Bisacylphosphine Oxide), is a Type I UV photoinitiator designed for deep curing UV systems. It absorbs UV-LED light in the 365–420 nm range and generates free radicals for fast polymerization in thick and pigmented formulations. Photoinitiator 819 is widely used in UV coatings, UV inks, UV adhesives, and 3D printing resins where high curing depth and low yellowing are required. It performs especially well in systems with high pigment load and oxygen-sensitive environments. For UV coating manufacturers, UV ink formulators, and industrial resin producers, Photoinitiator 819 provides stable curing performance and consistent reactivity across different UV curing systems. UVIXE supplies Photoinitiator 819 with stable batch quality, export documentation, and technical formulation support for global B2B procurement.
| Technical Data Sheet – Photoinitiator 819 | |
|---|---|
| Product Name | BAPO Photoinitiator (819) |
| 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 BAPO Photoinitiator (819)
BAPO Photoinitiator (819) (CAS 162881-26-7) from UVIXE is designed for deep UV curing systems requiring thick film polymerization, high pigment tolerance, and stable free radical generation. It is widely used in UV coatings, UV inks, UV adhesives, and 3D printing resin systems. The following category structure helps industrial buyers quickly match formulation needs with application scenarios.
BAPO Photoinitiator for UV Coating Systems
BAPO Photoinitiator (819) enables deep curing in industrial UV coating systems with high film thickness and pigment load.
UV Wood Coating System
Deep curing photoinitiator for wood surface UV coatings
- UV coating deep penetration
- Stable curing in pigmented wood stains
- Low yellowing after UV exposure
UV Metal Coating System
High-performance UV coating initiator for metal protection layers
- UV coating adhesion stability
- Thick film curing performance
- Industrial corrosion protection coatings
UV Glass Coating System
Transparent UV coating curing for glass surface treatment
- UV coating clarity retention
- Deep curing on smooth glass
- Low haze formulation support
UV Plastic Coating System
Plastic UV coating curing for industrial surface finishing
- UV coating flexibility support
- Strong surface adhesion
- Fast curing on polymer substrates
UV Leather Coating System
Flexible UV coating curing for leather finishing applications
- UV coating elasticity retention
- Low yellowing finish layer
- Durable surface protection
BAPO Photoinitiator (819) for UV Ink Systems
BAPO Photoinitiator (819) improves curing depth and pigment tolerance in UV printing ink systems.
UV Offset Ink System
High-speed UV curing for offset printing inks
- UV ink fast curing
- High pigment load compatibility
- Sharp print definition
UV Flexographic Ink System
Stable curing photoinitiator for flexo printing inks
- UV ink uniform curing
- Flexible substrate adaptation
- Low migration performance
UV Inkjet Ink System
Deep curing UV inkjet formulation additive
- UV ink droplet curing stability
- High resolution printing support
- Fast surface drying
UV Gravure Ink System
Deep layer UV curing for gravure printing inks
- UV ink high opacity curing
- Strong film formation
- Industrial packaging printing
BAPO Photoinitiator (819) for UV Adhesive Systems
BAPO Photoinitiator provides deep curing performance for structural and functional UV adhesive systems.
UV Structural Adhesive System
Strong bonding UV curing for industrial structural adhesives
- UV adhesive deep curing
- High mechanical strength bonding
- Thick layer penetration
UV Optical Adhesive System
Precision curing for optical bonding adhesives
- UV adhesive transparency stability
- Low shrinkage curing
- High clarity bonding interface
UV Electronics Encapsulation System
Electronics protection UV curing adhesive system
- UV adhesive insulation protection
- Moisture resistance enhancement
- Stable electronic encapsulation
BAPO Photoinitiator (819) for 3D Printing Resin Systems
BAPO Photoinitiator (819) supports SLA and DLP resin systems requiring controlled deep curing and precision layering.
SLA 3D Printing Resin System
High precision SLA resin curing additive
- UV resin layer accuracy
- Deep curing consistency
- Smooth surface finish
DLP 3D Printing Resin System
Digital light processing resin curing system additive
- UV resin fast layer curing
- High resolution modeling
- Stable dimensional accuracy
Industrial 3D Printing Resin System
Industrial-grade UV resin curing formulation support
- UV resin high strength output
- Thick layer curing stability
- Engineering prototype accuracy
Why Choose BAPO 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
BAPO Photoinitiator (819) Equivalent to Leading Brands
UVIXE BAPO 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 BAPO Photoinitiator (819) as a core curing component.
FAQ of BAPO Photoinitiator (819)
What is BAPO Photoinitiator (819) used for in industrial UV systems?
BAPO 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 BAPO Photoinitiator (819)?
The CAS number is 162881-26-7. It identifies BAPO Photoinitiator (819) as Bisacylphosphine Oxide (BAPO), a Type I UV photoinitiator used in industrial curing applications.
Is BAPO Photoinitiator (819) suitable for UV-LED curing systems?
Yes, BAPO 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 BAPO Photoinitiator (819) be used in high pigment UV ink systems?
Yes, BAPO 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 BAPO Photoinitiator (819) and TPO?
BAPO 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 BAPO Photoinitiator (819) replace Irgacure 819 or Omnirad 819?
Yes, BAPO 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 BAPO 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 BAPO Photoinitiator (819) support deep curing in thick coatings?
Yes, BAPO 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 BAPO Photoinitiator (819)
For UV formulation engineers and industrial buyers working with BAPO 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 BAPO Photoinitiator (819)
UVIXE provides technical support for BAPO 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. BAPO 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 BAPO Photoinitiator (819) formulation guidance, curing case studies, and system optimization references.
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Submit your inquiry now and get BAPO 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