TY JOUR TI SELECTION AND ANALYSIS OF RAW MATERIALS FOR A PROTECTIVE AND DECORATIVE LAYER OF COMPOSITE MATERIAL KW cement composite KW protective and decorative coatings KW non-ferrous glass household waste KW non-ferrous metal salts KW alumina cement KW breakage of high-alumina refractory JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Bondarenko, D.O. PY 2021 IS 6 PB Belgorod State Technological University named after V.G. Shukhov