KEMA MASTIC WA is a one-component, grey coloured, polyurethane based, elastic, hydro swelling mastic, which cures and swells in the presence of moisture. In contact with water it will expand to approximately 200 % of its original volume.It is designed for sealing rough and smooth construction joints and pipe penetrations in wet or underwater applications. It can be applied to concrete, PVC, HDPE, steel, etc.

LASTNOSTI:

• Flexible system, which adapts to the irregular surface of the substrate
• Easy application with standard caulking gun
• Solvent-free
• It is approved for contact with potable water
• It doesn’t dissolve in water