Flexible, one-component, air-moisture-cured sealing material based on MS Polymer w. It is approved by the National Institute of Hygiene for contact with drinking water. It is used for joints, expansion joints and cracks with high mechanical stress and / or in a microbiologically contaminated environment. It is used, among others, for filling gaps and expansion joints in prefabricated slab constructions, passage in communication, drinking water tank, composting plant, prefabricated concrete surfaces, swimming pool. 600 ml tube packaging.