Reusable Special-Valve Foam
Sealants & Silicones
Selsil Reusable Special-Valve Foam is a polyurethane-based, single-component filling and insulating material that cures with the moisture in the air.
Key features
- Is single-component.
- Cures with the moisture in the air.
- Provides excellent adhesion to many building materials such as wood, concrete, tile, metal and aluminium (except polyethylene, silicone and Teflon).
- Provides sound and heat insulation.
- Can be cut and painted after curing.
- Has very good filling (expansion) capacity.
Technical Specifications
| Product Type | Polyurethane Prepolymer |
|---|---|
| Polymerisation System | Moisture Curing |
| Density | 23±3 kg/m3 (ASTM D1622) |
| Skin-over Time (L 1cm) | 8-10 min. (AST C1622) |
| Curing Time (L 1cm) | 20-25 min. (ASTM C1620) |
| Fire Resistance | B3 (DIN 4102-1) |
| Compressive Strength | 43,8 kPa (DIN 53421) |
| Tensile Strength | 80 kPa (SO1926-79) |
| Volumetric Yield | 30-45 L (ASTM C1536) |
| Dimensional Stability | <-5 % (ISO2796/86) |
| Optimum Application Temperature | min. 20°C max. +25°C |
| Temperature Resistance | -30°C to +80°C |
| Application Temperature | 5°C to +35°C |
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