Polyurethane Caulk Donseal PU440 Sausage 20.2 fl.oz.

One component, non-sag, elastomeric polyurethane sealant with high tear and weather resistance (Formerly known as Flexseal PU440)

Advantages

• Very easy and economical to use.
• One component.
• Excellent ageing resistance.
• Paintable.
• Excellent acoustic properties.
• Remains elastic at temperatures down to -22^oF (-30^oC).
• Good resistance to microorganisms and a variety of chemicals.
• Good adhesion to most surfaces without the need for priming

Applications

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

Standards

Donseal PU440 complies with:

• ASTM C920, Type S, Grade NS, Class 25, Use NT, T, A, and M.
• S. Federal specification TT-S-00230C, Type 2, Class A.
• ISO 11600, Type F, 25 LM.
• EN 15651-1:2012, F-EXT-INT-CC.
• DIN 18540-F.