TY JOUR TI PECULIARITIES OF FORMATION OF CRYSTALLINE NOVELTIES IN BENDING COMPOSITIONS DEPENDING ON TECHNOLOGY THEIR PREPARATION KW astringent compositions KW vortex jet mill KW wastes of perlite sand production KW crystalline neoplasms KW physical and mechanical parameters JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Sumskoy, D.A. AU Zagorodnyuk, L.H. AU Zhernovskiy, I.V. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov