Polyurethane 25

Cromar Alpha Chem Polyurethane 25 is a single component, fast curing, polyurethane based elastomeric sealant used for joints where a highly elastic strong bond is required, excellent weathering properties.

Specially developed for bonding various building materials and for sealing of expansion joints. As a sealant it adheres, without a primer, to the substrates such as wood, concrete, stone, anodized aluminium, polyester, glass, ceramics, baked clay.Ā Overpaintable with water based paints (solvent based paints always test to ascertain compatibility).

Ideal for:

  • All sealing and bonding applications in the building and construction industry
  • Sealing expansion joints in concrete floors


Safety Data Sheet Technical Data Sheet
Alpha Chem Polyurethane 25 Cromar Alpha Chem Polyurethane 25 4
Colour Size Product Code Box Qty Barcode
White 600ml X1PU25WE6 20 5036684021418
Grey 600ml X1PU25GY6 20 5036684021975
Grey 300ml X1PU25GY3 12 5036684021913
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