Soudaflex 621
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Soudaflex 621
Description:
Soudaflex 621 is a strong and permanently elastic polyurethane adhesive for bonding and sealing in the automotive and transport industry.
Properties
- Medium open time
- High viscosity
- Applicable in warm and humid climate.
- Permanently elastic after curing
- Good weather and UV resistance
- Watertight
- Excellent resistance to many chemicals
- Can be painted with all water-based paints and many other systems (to be tested)
- Very good primeless adhesion on many materials such as aluminium, steel, GRP,
| Basis | Polyurethane |
| Consistency | Stable paste |
| Curing System | Moisture curing |
| Specific Gravity | Ca. 1.28 |
| Skin formation time (23°C/50% R.H) (min)* | Ca. 50 |
| Curing Speed (23°C/50% R.H) (min)* | 3 |
| Hardness, Shore A, points** | Ca. 40±5 |
| Max. tension (N/mm²) (ISO 37)** | 1.52 |
| Elogation at Break (ISO 37)** (%) | 600 |
| Elasticity Moduls 100% (N/mm²) (ISO 37)** | 1.34 |
| Maximum allowed distortion (%) | ±20 |
| Elastic Recovery (ISO 7389)** (%) | >80 |
| Temperature Resistance (°C) | -30 90 |
| Application Temperature (°C) | -5 35 |
DOWNLOAD TECHNICAL DATA SHEET
APPLICATIONS
- Supple bonding and sealing in vibrating constructions in carbodies, caravans and containers.
- Also bonding of upright parts.
- For bonding container elements, car body parts, windscreens, wheel arch extensions, etc…
- Replaces the traditional weld or spot weld.
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