B-STRUCTURA is a Biocompatible structural mortar, pre-packaged powder for interior and exterior use according to standard UNI EN 998-2: 2010. B-STRUCTURA is totally free of cement and compounds belonging to the clinker group. It consists of a mixture of pure calcareous sands, screened with continuous grain size arc from 0 to 1.4 mm. The binder consists of ST-ASTIER Pure Natural Hydraulic Lime NHL 5 according to standard UNI EN 459-1 and Metakaolin. The lime NHL 5, white, is produced by baking siliceous limestones at temperatures below 1250°C and reduced in powder by calcium oxide only, without the addition of pozzolanic materials or hydraulic binders of any kind.
B-STRUCTURA is a structural, pre-packaged, biocompatible, free of salts, chemical products and volatile organic compounds (VOC). These features, combined with the total mineral nature of the components, guarantee the purity, non-toxicity, non-harmfulness and the total recyclability of the product in full respect of man and the environment. The binder is made of pure hydraulic lime NHL 5 and methacrylate to enhance its hydraulic properties, giving high strength characteristics and excellent adherence to the substrate.