TY JOUR TI INFLUENCE OF SHUNGITE ON PERFORMANCE PROPERTIES OF POLYMERIC COMPOSITE MATERIAL KW polymer composite material (PCM) KW polymer KW low-pressure polyethylene KW shungite JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Klyuchnikova, N.V. AU Piskareva, A.O. AU Urvanov, K.A. AU Gordeev, S.A. AU Genov, I.. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov