AnekSeal PU-25
Elastic polyurethane sealant for construction joints
A single-component, moisture-curing polyurethane that cures to a tough, permanently elastic rubber. It absorbs cyclic movement in expansion joints without losing adhesion, and can be overpainted once skinned.
- Code
- PU-25
- Chemistry
- Single-component moisture-curing polyurethane
- Shelf life
- 12 months
Key features
- Movement accommodation factor of ±25%
- Excellent adhesion to concrete, metal, timber and most plastics
- Overpaintable with water- and solvent-based paints
- Resists weathering, ageing and permanent water immersion
Recommended applications
- Expansion and construction joints in concrete
- Perimeter sealing of windows and door frames
- Precast panel and cladding joints
- Floor joints subject to light traffic
Technical specification
Values are typical for the product at 30 °C and 65% relative humidity. Site conditions will shift them — ask us for guidance on your specific environment.
| Property | Typical value |
|---|---|
| Movement capability | ± 25 % |
| Shore A hardness | 35 ± 5 |
| Elongation at break | > 600 % |
| Tack-free time | 60 – 90 minutes at 30 °C |
| Cure rate | 3 mm per 24 hours |
| Service temperature | −30 °C to +80 °C |
Enquire about AnekSeal PU-25
Send us your requirement and we will come back with pricing, lead time and the technical data sheet. Trial quantities are available for evaluation.
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