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Weber.tec 901 (Eurolan 3K) is a solvent-free bitumen emulsion used for making moisture and protective coatings. It allows to obtain watertight mortars and cement-bituminous screeds. For compatibility with cement, weber.tec 901 is a stable aqueous bitumen emulsion.
It can be used as an additive and modifier for plastering, masonry, jointing and screed mortars. Due to the size of the emulsion particles (they penetrate into the pore system and capillaries of the cement mortar), this results in the mortars being given water-resistant qualities and increases their resistance to aggressive substances. The plasticizing effect of the weber.tec 901 emulsion has a positive effect on the w / c ratio and makes the application easier.