... Product Application: Fused Silica Rollers can used in glass tempered furnace, floating method glass kiln ,floating method glass back furnace , cast steel water mouth ... antenna cover, widely used in spacecraft, rocket, missile, radar, Atomic Energy, electronic, steel, coking, non-ferrous metals, Glass and other industrial applications ... (W/m.k)0.60.6 Silica Rollers used in glass furnace and kilns