Dataset for the article Utilisation of biomass and waste-derived ashes in the extrusion of fired clay bricks: mechanical properties, microstructure and leaching behaviourŽibret, Lea (Avtor) Pavlin, Majda (Avtor) Ducman, Vilma (Avtor) biomass and waste derived ashesclayextruded fired bricksceramic-technological testsmicrostructureleachingpepeli sežiga biomase in odpadkovglinaekstrudirane žgane opekekeramično-tehnološki testimikrostrukturaizluževanjeThe dataset supports the data in the tables and figures in the research the article. It contains the original results of the XRF measurements, particle size distribution (PSD) measurements, the original data of the XRD analyses (for raw materials and fired bricks), the original results of the water absorption and shrinkage of the samples (firing in the gradient kiln), the original results of the ceramic-technological tests of bricks after drying and firing at 950 °C, the original results of the MIP, individual measurements of the pore diameter and the crack width by means of SEM and original ICP-MS measurements of fired bricks and raw materials.Slovenian National Building and Civil Engineering Institute20262026-05-18 11:06:35Delo ni kategorizirano29414sl© authors, 2026