Description
PERMABOND UV632 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-stabilised plastics. This adhesive is also great to bond glass, metals and other materials. UV632 cures to give a colourless bond so is ideal for applications where aesthetic appearance is vitally important.
Features & Benefits
- Cure on demand with UV light
- Flowable, low viscosity, thin, wicking, works into thin cracks
- Excellent bondability to Acrylic Plastic
- Excellent bondability to Polycarbonate plastic
- Excellent bondability to PET plastic
- 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 |
20 rpm: 200 to 400 mPa.s (cP) |
| Specific Gravity | 1.1 |
Performance Characteristics
|
UV Curing Wavelength |
365 – 400 nm |
|
UV Curing Time (by strength of light) |
Low power 4mW/cm battery lamp: 10 secs |
|
Tensile Strength |
1900psi (13 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) |
55-75 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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