BAPO Photoinitiator Supplier In China
CAS 162881-26-7 |Deep Curing |High Pigment Tolerance
It supports UV coatings, UV inks, UV adhesives, and thick-layer resin systems requiring full-depth polymerization under UV or visible light exposure.
- Purity: ≥ 98%
- Appearance: Light yellow powder
- Key Features: Deep curing performance | Low yellowing | High reactivity
- Applications: UV coatings, UV inks, UV adhesives, 3D resin systems
- MOQ: 1 kg
- Package: 1 kg / 5 kg / 20 kg drum
- Documents: TDS / SDS / COA available
- Supply: Stable bulk supply from China manufacturer
What is BAPO Photoinitiator
BAPO Photoinitiator (CAS 162881-26-7) is a bisacylphosphine oxide Type I UV photoinitiator used in high-performance UV curing systems. It generates free radicals under UV and visible light, enabling deep and fast polymerization in thick film and pigmented formulations.
It is widely used in UV coatings, UV inks, and UV adhesives where surface curing alone is not sufficient. BAPO supports deep curing performance in opaque systems, including industrial coatings, electronics encapsulation, and 3D printing resins.
UVIXE supplies BAPO Photoinitiator for formulators and industrial manufacturers requiring stable curing performance, consistent batch quality, and reliable global supply from China.
| Technical Data Sheet – BAPO Photoinitiator CAS 162881-26-7 | |
|---|---|
| Chemical Name | Bisacylphosphine Oxide |
| CAS Number | 162881-26-7 |
| Molecular Type | Type I Free Radical Photoinitiator |
| Appearance | Light yellow powder |
| Purity | ≥ 98% |
| Absorption Range | 365–420 nm (UVA to visible light region) |
| Key Function | Deep curing, thick film polymerization, low yellowing |
| Application Fields | UV coatings / UV inks / UV adhesives / 3D resins |
Product Categories of BAPO Photoinitiator
BAPO Photoinitiator from UVIXE is designed for industrial UV curing systems requiring deep curing, high pigment tolerance, and stable free-radical generation. It supports UV coating manufacturers, ink formulators, adhesive producers, and resin system developers who need reliable performance in thick film and opaque formulations. Contact UVIXE for technical guidance, sample evaluation, and bulk supply solutions.
BAPO Photoinitiator for UV Coatings Systems
BAPO Photoinitiator enables deep curing in UV coating formulations used on wood, metal, glass, and plastic substrates.
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 BAPO Photoinitiator from UVIXE?
- Stable batch-to-batch quality for industrial UV curing systems
- CAS 162881-26-7 verified raw material with consistent specifications
- Suitable for deep curing UV coatings, inks, and adhesive formulations
- Controlled particle size and purity for formulation stability
- Reliable supply chain for bulk BAPO Photoinitiator procurement
- Export-ready packaging for global industrial distribution
- Technical documents available: TDS, SDS, COA support formulation work
- Application support for UV coating, UV ink, and UV resin systems
BAPO Photoinitiator Equivalent to Leading Brands
UVIXE BAPO Photoinitiator can replace:
- Irgacure 819
- Omnirad 819 / BAPO
- SpeedCure BAPO
- Esacure BAPO
✔ Similar deep curing performance in thick film systems
✔ Stable industrial batch consistency for scale production
✔ Formulation-dependent performance matching in pigmented systems
UVIXE BAPO Photoinitiator (CAS 162881-26-7) is widely used as a functional equivalent in industrial UV curing systems where deep cure performance and pigment tolerance are required.
FAQ of BAPO Photoinitiator
What is BAPO Photoinitiator CAS 162881-26-7 used for in UV curing systems?
BAPO Photoinitiator CAS 162881-26-7 is used in UV coatings, UV inks, UV adhesives, and 3D printing resins. It enables deep curing in thick film and high-pigment formulations where standard photoinitiators cannot fully penetrate.
Can BAPO Photoinitiator replace Irgacure 819 in UV formulations?
Yes, BAPO Photoinitiator can partially replace Irgacure 819 in UV curing systems. It provides similar or stronger deep curing performance, especially in pigmented coatings and thick ink layers. Final substitution depends on resin system and dosage optimization.
What is the difference between BAPO and TPO photoinitiators?
BAPO Photoinitiator is optimized for deep curing and high pigment tolerance, while TPO is mainly used for fast surface curing. BAPO performs better in thick coatings and opaque systems, while TPO is more efficient in thin UV films.
Is BAPO Photoinitiator suitable for UV LED curing at 365–405 nm?
Yes, BAPO Photoinitiator is compatible with UV LED systems within the 365–405 nm range. Performance depends on formulation design, light intensity, and resin thickness, especially in industrial UV coating and ink systems.
What is the typical dosage of BAPO Photoinitiator in UV ink and coating systems?
The typical industrial dosage is 0.5%–5% depending on resin type, pigment load, and curing depth requirements. Higher loading is used for thick film and high-opacity UV systems.
Can BAPO Photoinitiator be used in thick UV coating and high-opacity systems?
Yes, BAPO Photoinitiator is widely used in thick UV coatings and high-opacity systems due to its strong penetration ability and efficient radical generation in pigmented formulations.
What industries commonly use BAPO Photoinitiator?
It is commonly used in UV coating manufacturing, UV ink production, UV adhesive systems, electronics encapsulation, packaging printing, and industrial 3D printing resin applications.
Is BAPO Photoinitiator better for deep curing compared to other photoinitiators?
Yes, BAPO Photoinitiator is specifically designed for deep curing performance, especially in thick film UV systems where surface-only photoinitiators are insufficient.
Related Products Of BAPO Photoinitiators
BAPO Photoinitiator is part of a UV curing system that often requires combination with other photoinitiators to balance surface curing, depth curing, and LED compatibility. Below are commonly used UVIXE photoinitiators for coatings, inks, adhesives, and resin formulations.
TPO Photoinitiator
(CAS 75980-60-8)
Fast surface curing photoinitiator for UV inks and coatings
- UV coating rapid surface cure
- UV ink high-speed printing
- LED UV compatible system
TPO-L Photoinitiator
LED curing optimized photoinitiator for low-energy systems
- UV LED ink curing
- Low migration formulation
- Flexible coating systems
1173 Photoinitiator
(CAS 7473-98-5)
General-purpose UV photoinitiator for coatings and inks
- UV coating standard curing
- UV ink basic formulation
- Good compatibility resin systems
ITX Photoinitiator
(CAS 5495-84-1)
Co-initiator for UV ink and pigmented systems
- UV ink pigment support
- Surface curing enhancement
- Printing ink stability additive
Technical Support For BAPO Photoinitiator
UVIXE provides technical support for BAPO Photoinitiator (CAS 162881-26-7) in UV coating, UV ink, UV adhesive, and 3D printing resin formulations. Support includes formulation optimization for deep curing systems, pigment tolerance adjustment, and photoinitiator blending strategies for industrial production stability. Technical guidance also covers dosage design, curing depth control, and compatibility with UV LED (365–405 nm) and mercury lamp systems. Buyers can access formulation notes and application data through UVIXE technical documentation resources and blog materials for UV curing systems.
For formulation troubleshooting or scale-up projects, UVIXE technical team supports industrial buyers and manufacturers with practical UV curing system solutions.
Ready to Source BAPO Photoinitiator?
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- Request sample for formulation testing
- Access TDS, SDS, and COA instantly
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