Waterstop Waterbar Swellable Paste
Waterstop Waterbar Swellable Paste is a high quality, one component polyurethane adhesive which swells in contact with water. Upon contact with water, the paste can expand up to 450% of its original volume.
For use with DryFix Waterstop Water Bar and Dryfix Bentinite Waterstop Bar
Application
- No primer is required when applying waterstop waterbar swellable paste on a clean concrete surface
- For optimal adhesion, a stable, clean, dust, oil and fat-free surface is recommended. If required, cleaning with acetone or isopropanol is recommended
- Optimal fixation is achieved when the full contact area of the water swellable sealing bar is covered with paste
- After application of the paste, the water swellable sealing bar needs to be pressed down, to ensure full contact with the paste underneath and to achieve optimal adhesion
Technical
Base | Polyurethane |
Colour | Champagne |
Curing system | Moisture cure |
Application temperature | +1°C to +30°C |
Skin formation* | 120 minutes |
Curing rate* | 1.8mm / 24h |
Hardness | 15 ShA |
Shrinkage | Max. 4% |
Density | 1.3 7g/ml |
Temperature resistance | -30°C to +90°C |
E-modulus in film (DIN 53504) | 0.34 N/mm² |
Tear strength in film (DIN 53504) | ca. 0.60 N/mm² |
Elongation at break in film (DIN 53504) | > 800% |
E-modulus in joint (ISO 839) | ca. 0.12 N/mm² |
Tear strength in joint (ISO 839) | ca. 0.20 N/mm² |
Elongation at break in joint (ISO 839) | > 250% |
* values may vary depending on environmental factors such as temperature, moisture and type of substrate
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