Description
Product Advantages •Solvent free. •Swellseal® Mastic can be applied to concrete, PVC, HDPE, steel, etc. •The excellent filling and adhesion properties of the product provide a first line filling of cracks and voids, even on lightly humid, smooth or rough surfaces. •In contact with water Swellseal Mastic will expand to about 350% of it’s original volume. •Flexible system, which adapts to the irregular surface of the substrate. •Easy application with standard caulking gun. •Durable: will exceed the construction’s life. •Has a good all-round chemical resistance(*) and can resist petroleum, mineral and vegetable oils and greases. •Swellseal Mastic is approved for contact with potable water. Swellseal® Mastic is a one-component, polyurethane based, solvent free, hydro-swelling mastic, supplied in cartridges and aluminium sausages, for the sealing of construction joints and around pipe penetrations. Swelllseal Mastic cures and swells in the presence of moisture. Curing time depends on temperature and humidity conditions. Performance is not affected by the curing time.