... .high service temperature 3.low thermal conductivity. Alumina bubble refractory brick could be exposed to the direct flame; it ... saving. Applications:Petrochemical and chemical industry--carbon black furnace, gasifier, ethylene pyrolyzer, one-stage converter, hydrogen production ... kiln, flagon kiln, roller kiln, shuttle kiln, bell-type furnace, net-bell tunnel, etc. Index: ITEMLG-90Al2O3 ≥% 90Bulk ...