Description
PERMABOND UV625 is a single part, fast curing, UV curable adhesive primarily designed for bonding and sealing glass and metal. The cured adhesive is tough, flexible and has excellent impact resistance. The gel-like viscosity and good depth of cure make it ideal for use on vertical surfaces or where large gaps are involved.
Features & Benefits
- Cure on demand
- Optically Clear
- Non-drip, non-sag great for vertical and wall bonding
- Gap filling, void villing
- Flexible, good impact resistance
- Fast curing with low-power lamps
- 100% solids, no solvents
- Excellent adhesion to metal and glass
Physical Properties of Uncured Adhesive
| Chemical Composition | Methacrylate ester |
| Viscosity @ 25C |
20 rpm: 30,000-55,000 mPa.s (cP) 2.5 rpm: 120,000-250,000 mPa.s (cP) |
| Specific Gravity | 1.0 |
Performance Characteristics
|
UV Curing Wavelength |
365 – 400 nm |
|
UV Curing Time (by strength of light) |
Low power 4mW/cm battery lamp: 5 secs |
|
Tensile Strength |
1450psi (10 N/mm^2) |
|
Shear Strength |
Glass to Steel: 900psi to 1000psi 6 to 7 N/mm) |
|
Temperature Resistance |
212f (100C) 75% strength 302f (150C) 30% strength 400f (200C) 18% strength |
|
Appearance |
High Clarity, Colorless, Optically Clear, Transparent |
|
Elongation (ISO37) |
>120% |
|
Hardness (ISO868) |
65-75 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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