DCP Donseal PU440

Description

DCP 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.
DCP Donseal PU440 has a very wide service temperature range. Suitable for vertical and horizontal joints.

APPLICATIONS
» General sealing of construction and expansion joints.
» Basement walls.
» Precast concrete elements.
» For concrete, wood, marble, aluminum, steel, ceramic, gypsum boards, glass, etc.

ADVANTAGES
» 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.

STANDARDS
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

All substrates should be clean, dry, free from dust, oil, grease and any contaminations that could effect the bonding. If the substrates need to be cleaned, use methyl ethyl ketone (MEK), or acetone. Always be sure that the substrates are dry before the application