Study of Shomishkul kaolin for producing ceramic materials Baxauatdin Каlbaev, Аshrap Eminov, Orazimbet Janabaev and Мuratbay Toreniyazov E3S Web Conf., 494 (2024) 02005 Published online: 22 February 2024 DOI: 10.1051/e3sconf/202449402005