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LUCIAN PAUNESCU1*, MARIUS FLORIN DRAGOESCU1, SORIN MIRCEA AXINTE2, BOGDAN VALENTIN PAUNESCU3 1Daily Sourcing & Research SRL, 95-97 Calea Grivitei, sector 1, Bucharest 010705, Romania 2University “Politehnica” of Bucharest, Department of Applied Chemistry and Materials Science, 1-7 Gh. Polizu street, sector 1, Bucharest 011061, Romania 3Consitrans S.A., 56 Polona street, sector 1, Bucharest 010504, Romania

Journal Title:Journal of Engineering Studies and Research

Abstract: Experimental results obtained in the process of manufacturing dense glass foam using the microwave energy are presented in the work. The glass foam is produced from bottle glass waste, calcium carbonate as foaming agent and borax as fluxing agent. The high compressive strength (2.5 - 6.2 MPa) is the main mechanical feature of this product, which together with other physical and morphological features (apparent density 0.60 – 0.90 g/cm3, porosity 59.1 – 72.7%, thermal conductivity 0.081 – 0.105 W m K, water absorption 0.5 – 1.0%, pore size 0.5 – 3 mm), are appropriate for using as a substitute for similar building materials existing on the market.