Donseal® PU440
One component, non sag, elastomeric polyurethane sealant
Donseal PU440 is a one component, solvent free, non sag polyurethane sealant that cures by reacting with air humidity to form a tough and highly elastic sealant.
Donseal PU440 has a very wide service temperature range. Suitable for vertical and horizontal joints.
- Very easy and economical to use.
- One component.
- Solvent free.
- Excellent aging resistance.
- Paintable.
- Remains elastic at low temperatures.
- Good adhesion to concrete surfaces without need for priming.
- General sealing of construction and expansion joints.
- Basement walls.
- Precast concrete elements.
- For concrete, wood, marble, aluminum, steel, ceramic, gypsum boards, glass, etc.
Donseal PU440 is available in 20.2 fl. oz. (600 ml) sausages, and in 10.1 fl. oz. (300 ml) moisture proof cartridges.
Donseal PU440 should be stored in original unopened packages at temperatures between 40oF and 86oF (4oC and 30oC) in a dry place.
Donseal PU440 has a shelf life of 15 months from date of manufacture if stored under the recommended conditions. The technical properties and usages of this product may be adversely affected if these conditions are exceeded. DCP Technical Department should be contacted for advise.
Donseal PU440 complies with:
- ASTM C920, Type S, Grade NS, Class 25, Use NT, T1, A, G, M and I*.
- LEED® EQc 4.1 SCAQMD, Rule 1168.
* at normal condition for immersion test.