Permabond UV006400001L0101, UV640 UV-Curable Adhesive, 1 Liter Bottle
Permabond UV006400001L0101, UV640 UV-Curable Adhesive, 1 Liter Bottle
Permabond UV640 is a single-part, fast-setting UV-curable adhesive designed for bonding plastics, with excellent adhesion to polycarbonate and a wide range of other plastic substrates. UV640 delivers very high shear strength, elongation, and impact resistance — making it well suited for assemblies involving dissimilar materials or substrates with different coefficients of thermal expansion, where a rigid adhesive would crack or delaminate under thermal cycling or mechanical stress. The 1 liter bottle is suited for high-volume production and automated dispensing.
Sold individually (1 liter bottle).
Key Features
- Single-part, fast-setting UV-curable adhesive with on-demand light cure
- Excellent adhesion to polycarbonate and a wide range of plastic substrates
- Very high shear strength, elongation, and impact resistance
- Flexible cured bond accommodates dissimilar materials with different coefficients of thermal expansion
- 1 liter bottle suited to high-volume production and automated dispensing
Best Uses / Applications
- Plastic assemblies and polycarbonate bonding
- Dissimilar substrate bonding where thermal cycling or mechanical stress would crack a rigid adhesive
- Electronics assemblies exposed to temperature variation
- Medical device assembly applications
- High-volume production and automated dispensing operations
Specifications
| SKU | UV006400001L0101 |
|---|---|
| Brand | Permabond |
| Type | Single-part UV-curable adhesive |
| Grade | UV640 |
| Volume | 1 liter bottle |
| Cure Method | UV light cure (on demand) |
| Cured Appearance | Clear |
| Cured Properties | High shear strength, high elongation, impact resistant |
| Primary Substrates | Plastics, polycarbonate |
| Key Property | Plastic bonding, dissimilar material bonding, thermal cycling resistance |
| Application | Plastic assemblies, polycarbonate bonding, electronics, medical devices, dissimilar substrate bonding |
Frequently Asked Questions
How does UV640 compare to UV630 for plastic bonding?
Both UV630 and UV640 are formulated for plastic bonding with high shear strength, elongation, and impact resistance for polycarbonate and other plastics. For specific differences in viscosity, cure speed, or substrate compatibility between UV630 and UV640, consult the individual Technical Data Sheets or contact us — the right grade depends on your specific application requirements.
What plastics does UV640 bond?
UV640 has excellent adhesion to polycarbonate and bonds a wide range of plastics. Some plastics with very low surface energy (such as polyethylene or polypropylene) may require surface preparation or a primer for optimal adhesion. Consult the Technical Data Sheet for a full substrate compatibility list.
Why is UV640 recommended for dissimilar materials with different coefficients of thermal expansion?
When two materials expand and contract at different rates during thermal cycling, a rigid adhesive bond will experience stress at the bond line and can crack or delaminate over time. UV640's high elongation allows the cured bond to flex and accommodate this differential movement, maintaining bond integrity through repeated thermal cycles — critical for electronics assemblies, outdoor applications, and any assembly exposed to temperature variation.
When should I choose the 1 liter bottle over the 50ml bottle?
The 1 liter bottle is designed for high-volume production and automated dispensing where smaller bottles would require frequent changeover. The 50ml bottle (UV006400050B0101, case of 10) is better suited for bench-level assembly, prototyping, or lower-volume applications where smaller quantities minimize waste.
Is UV640 a single-part adhesive?
Yes. UV640 is a single-part UV-curable adhesive, so there is no mixing and no pot life to manage. It cures on demand when the bond line is exposed to UV light of the appropriate wavelength for the formulation.
What package sizes are available for UV640?
This listing is the 1 liter bottle for high-volume production. UV640 is also available in a 50ml bottle (UV006400050B0101, case of 10) suited to bench-level assembly, prototyping, or lower-volume applications.
