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Flexseal PU650

High-movement, high-performance, one component, non-sag polyurethane sealant

Flexseal PU650 is a one component, non-sag polyurethane sealant that cures by reacting with air humidity to form a high-performance and highly elastic low modulus sealant capable of cyclic expansion and compression movement of (± 50%) of the original joint width.

Flexseal PU650 has a very wide service temperature range. Suitable for vertical and horizontal joints.

Downloads
Flexseal PU650_TDS.pdf
TDS
Flexseal PU650_MS.pdf
MS
Flexseal PU650.pdf
SDS
  • High movement capability of ±50.
  • One component.
  • Excellent weathering and aging resistance.
  • Paintable.
  • Remains elastic at temperatures down to -40⁰C.
  • Good adhesion to most surfaces without need for priming.
  • Good resistance to microorganisms and a variety of chemicals.
  • Sealing of expansion and construction joints.
  • Precast concrete elements.
  • For concrete, wood, marble, stone, aluminum, steel, ceramic, gypsum boards, etc.

Flexseal PU650 is available in 600 ml sausages.

Flexseal PU650 should be stored in original unopened packages at temperatures between 5⁰C and 25⁰C in a dry place.

Flexseal PU650 has a shelf life of 12 months from date of manufacture if stored under the recommended conditions.

Flexseal PU650 complies with:

  • ASTM C920, Type S, Grade NS, Class 50, Use NT, T1 , A, M and I.
  • ISO 11600, Type F, Class 25 LM.