Chemicals intended for use in the building industry, mineral and chemical additives for building materials; aluminates of calcium

Non-metallic building materials; cements; aluminous cements; coatings (building materials); mortars for building works; hydraulic binders; sands

Building materials, refractory materials used for building, facing, lining and coating high-temperature ovens, furnaces and hearths and similar installations

Refractory materials in plastic or powdered form for use in constructing, facing, coating or lining furnaces and like structures,