1 chemical products for use in the building and construction industries, namely, additives for plaster, mortar, cement and concrete for influencing the setting and the mechanical properties thereof, additives for flooring plaster, cement plasticisers, consolidation retarders, additives for frost protection as well as accelerators, impregnants for exterior surfaces and facades, release compounds for concrete shuttering or stripping chemicals, adhesives, liquid epoxy plastic for coating of cement-bound surfaces and mastic asphalt; epoxy resin adhesives for bonding ceramic coverings