Optical adhesives
UV-curable adhesives REXWIN ™ UA series
This website uses automated machine translation. Please note that translations may not be fully accurate and may differ from the original Japanese text.
This UV/LED curable adhesives features high transparency and durability, allowing bonding between different substrates. It achieves reliable bonding while maintaining transparency in displays and camera lenses. Viscosity and refractive index adjustments are also possible.
Applications
- Camera module, camera lens
- Touch panels, panel displays
- In-vehicle display
Features
- High transparency
- Sulfur/halogen-free
- Fast curing properties (accumulated light 400 mJ/㎡)
- High moisture and heat resistance
Product Lineup
- REXWIN UA-A2 adhesives
High transparency and excellent adhesion - REXWIN UA-A5 adhesives
Excellent heterojunction and moisture and heat resistance - REXWIN UA-A10 adhesives
Excellent high refractive index and glass adhesion
Physical properties by product
| Product name | REXWIN UA-A2 | REXWIN UA-A5 | REXWIN UA-A10 | |
|---|---|---|---|---|
| Viscosity | 4-5Pa·s | 3Pa·s | 0.6Pa·s | |
| Refractive index (hardened film) | 1.51 | 1.49 | 1.56 | |
| Haze | Below 0.1% | Below 0.1 | Below 1% | |
| Full light transmittance (420~800nm) | Over 99% | Over 99% | Over 99% | |
| peel strength | Glass × Easy-Connectable PET | > 30N/25mm | > 30N/25mm | > 5N/25mm |
| Glass × Easy-Connectable PET 85℃×85%RH×500H |
> 1N/25mm | > 30N/25mm | - | |
| Glass × PC | > 60N/25mm | > 50N/25mm | - | |
| Modulus of elasticity (MPa) | Glass / OCR / Glass | 2.6 | > 2.9 | 2.4 |
* Curing conditions: High-pressure mercury 80W or LED 365nm, cumulative light 400-500mJ (UV-A)/ cm²
Coating Method
Dispensers, Die Coaters, and More
Viscosity can be adjusted according to your coating conditions.
* The REXWIN UA-A2 adhesives supports screen printing.
Example of usage (when using a dispenser)
Coating the substrate with a dispenser and bonding the substrates together. Then, UV irradiation is applied from the transparent substrate side to UV curing (example of bonding)
Inquiries
TOYO INK CO., LTD. Marketing Headquarters
TEL:+81-3-3272-0919