POLYSEAL 1PUA is a one-part low modulus high performance polyurethane sealant, which cures on adsorption of atmospheric moisture to form a firm and flexible rubber watertight seal for moderate and control joint. POLYSEAL 1PUA can be used in both horizontal and vertical applications.
POLYSEAL 1PUA
One-part Polyurethane Joint Sealant
Characteristics
- Highly resilient with excellent recovery
- Provides permanent and uniform watertight seal
- Excellent adhesion to most building
- Weather resistant
- Non-biodegradable
- Non-toxic once cured. Can be used in potable water reservoirs and swimming pools
- Easy to apply, no mixing required
- Over painting can be done with dispersion based paint (acrylic, vinyl)
Technical
Technical Specification
| Properties | Values |
| Colour | White/Black/Grey |
| Density(g/cc) | 1.3 ± 0.05 |
| Viscosity | Thixotropic Paste |
| Shrinkage | <5 |
| Butt Joints | ±25 |
| Lap Joints | ± 50 |
| Shore A Hardness | 20-35 |
| Adhesion to Concrete, (N) | >25 |
| Elongation, (%) | >250 |
| Chemical Resistance | pH 2.5 to 11.5, sea water |
| Skinning time @ 25 °C & 50% RH (hrs) | 24 |
| Full cure @ 25 °C & 50% RH (d) | 7 |
| Application Temperature, (°C) | +5 to +40 |
| Service Temperature, (°C) | 40 to +80 |
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