Description
PERMABOND UV648 is a UV-curing adhesive developed for use on plastics. It has superb adhesion to acrylic and contains a long-wavelength photo initiator to allow it to cure through UV-stabilized plastics. This adhesive can also be used to bond glass, metals and other materials. UV648 cures to give a colorless bond so is ideal for applications where aesthetic appearance is vitally important.
Features & Benefits
- Cure on demand
- Non-drip
- High shear strength
- Fast curing with low-power lamps
- 100% solids, no solvents
- Excellent adhesion to plastics
Physical Properties of Uncured Adhesive
| Chemical Composition | Urethane methacrylate |
| Viscosity @ 25C |
20rpm: 20,000-40,000 mPa.s (cP) |
| Specific Gravity | 1.1 |
Performance Characteristics
|
UV Curing Wavelength |
365 – 420 nm |
|
UV Curing Time (by strength of light) |
Low power 4mW/cm battery lamp: 10 secs |
|
Tensile Strength |
1600psi (11 N/mm^2) |
|
Shear Strength |
Polycarbonate >7 N/mm (>1000 psi)* Glass to Steel: 900psi to 1000psi 6 to 7 N/mm) |
|
Temperature Resistance |
212f (100C) 60% strength 302f (150C) 18% strength |
|
Appearance |
High Clarity, Colorless, Optically Clear, Transparent |
|
Elongation (ISO37) |
>70% |
|
Hardness (ISO868) |
50 to 65 Shore D |
*The cure time depends on the power of the UV lamp, its spectral output, the distance between the lamp and the components, and the transmission characteristics of the substrates.**LED UV lamps have a narrow range of spectral output. It is important to check suitability with Permabond in order to match the LED lamps peak wavelength with that of the adhesives photoinitiator to ensure optimal adhesive cure.
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