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Homepage>CSN Standards>72 BUILDING RAW MATERIALS, MATERIALS AND PRODUCTS
7210 Grounds, description and classification
7214 Minerals other than ores, stone aggregates
7215 Minerals other than ores, stone aggregates, grounds, graphite
7220 Various binders, slags, clinkers, flue dust
7223 Ingredients and additives of binders, binding agents
7224 Combined binders, mortars, mortar mixtures
7230 Concrete and reinforced-concrete elements
7232 Concrete paving tiles and concrete covering
7234 Fibre-cement products
7248 Ceramic products ? sanitary ceramics
7251 Ceramics for building purposes
7260 Refractory products, general
7271 Kieselguhr insulating materials and products
7272 Insulating materials and mixed products
7275 Special technical ceramics
7276 Flexible sheets for waterproofing