UV Adhesive Description
This UV adhesive is specially designed for bonding tempered glass screen protectors to curved screen phones. It cures quickly, produces no bubbles, provides a perfect fit, and does not shrink.
High-Viscosity UV Curable Adhesive for Optical Lens Bonding and Precision Component Fixation
3730 UV Lens Bonding Adhesive is a one-component, UV-curable adhesive specifically developed for optical lens assembly, camera module manufacturing, sensor packaging, and precision electronic component fixation.
Featuring high viscosity, excellent bonding strength, low shrinkage, and outstanding dielectric properties, the adhesive provides reliable positioning and long-term stability for optical and electronic applications.
The material cures rapidly under UV LED exposure and offers excellent mechanical strength and environmental resistance after curing.
Key Features
Fast UV LED Curing
- Single-component formulation
- Rapid curing under UV light
- Suitable for automated production lines
- No mixing required
Excellent Positioning Capability
The high viscosity of 20,000 mPa·s helps prevent adhesive flow during assembly, ensuring accurate lens positioning and alignment.
Strong Mechanical Performance
- Shore D Hardness: 75
- Excellent impact resistance
- High dimensional stability after curing
Outstanding Electrical Insulation
- Dielectric Strength: 25 kV/mm
- Suitable for optical-electronic packaging applications
- Reliable insulation performance
Good Thermal Stability
- Glass Transition Temperature (Tg): 75°C
- Maintains performance under elevated temperatures
Typical Applications
Camera Module Assembly
Lens barrel bonding Lens holder fixation IR filter positioning
Optical Component Manufacturing
Glass lens bonding Optical sensor packaging Optical module assembly
Consumer Electronics
Camera lens fixation Sensor packaging Precision electronic assembly
Industrial Electronics
Optical inspection systems Machine vision cameras Precision instrument assembly
Technical Specifications
| Technical Parameter | Specification |
|---|
| Product Model | 3730 |
| Appearance | Amber Transparent |
| Viscosity (@25°C) | 20,000 ± 2,000 mPa·s |
| Recommended UV Dose | 1200 mJ/cm² |
| Hardness | 75 Shore D |
| Glass Transition Temperature (Tg) | 75°C |
| Dielectric Strength | 25 kV/mm |
| Shelf Life | 12 Months |
| Packaging | 1 kg/Bottle |
Advantages of 3730 UV Adhesive
High Viscosity Formula
Compared with low-viscosity optical adhesives, 3730 provides superior gap filling and positioning performance, making it ideal for vertical surfaces and precision optical assemblies.
Excellent Adhesion
Suitable for bonding:
- Glass
- Optical glass
- Metal
- Ceramic
- Polycarbonate (PC)
- PMMA
- Engineering plastics
Reliable Long-Term Performance
- Excellent humidity resistance
- Good thermal stability
- Strong vibration resistance
- Stable optical performance
Recommended UV LED Curing Equipment
For optimal curing performance, 3730 adhesive is recommended to be used with:
- UV LED Spot Curing Systems
- UV LED Point Light Sources
- UV LED Flood Lamps
- UV LED Automated Curing Equipment
Recommended wavelengths:
Storage Conditions
- Store at 5°C–25°C
- Keep away from direct sunlight
- Keep container tightly closed when not in use
- Avoid contamination during dispensing
Packaging Information
Standard Package:
Custom packaging options are available upon request.
FAQ
What applications is 3730 adhesive suitable for?
It is designed for optical lens bonding, camera module assembly, sensor packaging, and precision electronic component fixation.
What is the curing requirement?
A UV energy dose of approximately 1200 mJ/cm² is recommended for complete curing.
Does the adhesive have good insulation performance?
Yes. The dielectric strength reaches 25 kV/mm, providing excellent electrical insulation.
What is the hardness after curing?
The cured hardness is 75 Shore D.
What is the shelf life?
The product has a shelf life of 12 months when stored properly.
Is it suitable for automated production lines?
The product has a shelf life of 12 months when stored properly.
