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Flexseal PU425

One component, non sag, elastomeric polyurethane sealant with high tear and weather resistance

Flexseal PU425 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 PU425 has a very wide service temperature range.

Suitable for vertical and horizontal joints.

Downloads
Flexseal PU425_MS_2.pdf
MS
Flexseal PU425_TDS_12.pdf
TDS
Flexseal PU425_MSDS_15.pdf
SDS
  • Very easy and economical to use.
  • One component.
  • Excellent ageing resistance.
  • Paintable, consult DCP’s Technical Department for more details.
  • Remains elastic at temperatures down to -30⁰C.
  • Good resistance to microorganisms and a variety of chemicals.
  • Good adhesion to most surfaces without the need for priming.
  • Excellent water resistance.
  • General sealing of construction and expansion joints.
  • Basement walls.
  • Precast concrete elements.
  • For concrete, wood, marble, stone, aluminum, steel, ceramic, gypsum boards, etc.

Flexseal PU425 is available in 600 ml sausages. 300 ml sausages and 300 ml cartridges are available on request.

Flexseal PU425 should be stored in original unopened packages at temperature of 5⁰C - 25⁰C in a dry place.

Flexseal PU425 has a shelf life of 10 months from date of manufacture if stored under the recommended conditions. Storing the material at temperatures higher than 25oC will shorten the shelf life of the product.

Flexseal PU425 complies with:

  • ISO 11600, Type F, Class 25 LM.
  • ASTM C920, Type S, Grade NS, Class 25, Use NT, T1, A, M and I.