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On February 8, 2006, Beijing KÖSTER International Corp. Ltd. was founded as a 100% subsidiary of KÖSTER BAUCHEMIE AG. The starting point for this new establishment was the idea of making the proven waterproofing technologies from Aurich available in the Republic of China.... more
The improved formulation of KÖSTER 21 has greatly increased the water vapor permeability so that moisture in the concrete can escape more easily in vapor form through the coating and the formation of bubbles in the coating is avoided.... more
The new KÖSTER Product Catalogue, "The Green Pages of Construction Chemicals", is now available on our website.... more
Water activated hydrophobic PU injection foam. The material only reacts when it comes in contact with water and immediately forms a stiff, waterproof polyurethane foam. Volume expansion up to 30 times. Free of solvents and fillers, resistant to hydrolysis.
Fields of application: waterproofing water-bearing cracks in concrete and masonry.