The life campaign of the furnace top lining will be lasted by using mullite cast refractory with high strength and alumina and carrying out construction carefully and drying correctly.
Alumina hollow ball is the hollow spherical light insulating refractory made from alumina blown out of electric furnace through high temperature melting procedure.
氧化铝空心球是采用氧化铝在电弧炉内经高温熔融后吹出的空心球状轻质隔热耐火材料。
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Types ASPA-1 and ASPA-2 alumina-silica fiber paper are premium grade lightweight refractory material made from high-purity alumina-silica fibers formed into highly flexible sheets.