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. 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
Colour Size Product Code Box Qty Barcode
White 600ml X1PU25WE6 20 5036684021418
Grey 600ml X1PU25GY6 20 5036684021975
Grey 300ml X1PU25GY3 12 5036684021913