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Application filed by Nauchnoizsledovatelski Inst StfiledCriticalNauchnoizsledovatelski Inst St
Priority to BG8987289ApriorityCriticalpatent/BG49205A1/en
Publication of BG49205A1publicationCriticalpatent/BG49205A1/en
The ceramic mass is used for production of walkway pavement tiles and for architectural pieces to be applied in construction. The products produced by the ceramic mass have low water-absorption, high thickness, high resistance to pressure, resistance to cold and abrasion. The ceramic mass consists in vol. % of: clay 50-80 and phyllite concentrate - a waste from copper production - from 20 to 50.