zircon brick,zr-65

Zircon brick is mainly used in upper area of flame space or frequent thermal shock region of alkali-free or low alkali glass,sodium-calcium glass,boron-silicate glass,lead glass and other technical glass melting furnace,such as transition region between roof silica brick and fused zirconia corundum brick or fused zircon-mullite brick,transition region between silica brick and magnesia brick,crown,burner,thermocouple,peep hole,secondary layer of melter bottom and its back lining.