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Crystallizing, chloride free sealing agent for the integral waterproofing of concrete elements. KÖSTER BDM combines all three important characteristics for integral waterproofing. It crystallizes, blocks capillaries and makes the concrete waterrepellent. Due to the combination of these three effects KÖSTER BDM reduces the water absorbency of the concrete, increases its compressive strength and resistance against chemical attack. It is free of corrosive ingredients and is non-sensitive to mechanical damage to the surface.
