A composition of refractory mixture comprises corundum and additive of low-melting oxide. As additive tin oxide and hydrolyzed ethyl silicate are used.
申请公布号
UA50390(U)
申请公布日期
2010.06.10
申请号
UA20090011874U
申请日期
2009.11.20
申请人
"KHARKIV POLYTECHNIC INSTITUTE", NATIONAL TECHNICAL UNIVERSITY
