... petroleum, chemical industry. The natural rock, ore and other raw materials, or other pools in the cupola melting kiln (temperature ... is a natural rock such as basalt, gabbro, dolomite, iron ore, bauxite as raw materials, high temperature melting, fibrosis, made ... sides, six sides), fiberglass blanket (single side, double sides), or aluminum foil (single side, double sides). Package and specifications: ...