Flexseal PU440
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Flexseal PU440
 

Flexseal
PU440

One component, non sag, elastomeric polyurethane sealant with high tear and weather resistance
 
Advantages
  • Very easy and economical to use.
  • One component.
  • Excellent ageing resistance.
  • Paintable.
  • Excellent acoustic properties.
  • Remains elastic at temperatures down to -22oF (-30oC).
  • Good resistance to microorganisms and a variety of chemicals.
  • Good adhesion to most surfaces without the need for priming.
Description

Flexseal PU440 is a one-component non-sag polyurethane sealant that cures by reacting with air humidity to form a tough and highly elastic low modulus sealant. Flexseal PU440 has a very wide service temperature range. Suitable for vertical and horizontal joints.

Packaging

Flexseal PU440 is available in 20.2 fl . oz. (600 ml) sausages, and in 10.1 fl . oz. (300 ml) moisture proof cartridges.

Storage

Flexseal PU440 should be stored in original unopened packages at temperatures between 40oF and 77oF (4oC and 25oC) in a dry place.

Shelf Life

Flexseal PU440 has a shelf life of 12 months from date of manufacture if stored under the recommended conditions.

Standards

Flexseal PU440 complies with:

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

Applications

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


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Don Construction Products Inc.

Headquarters
2826 Lineberger Industrial Dr.
Lancaster, SC 29720

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