... ceramic,are made from quartz glass,after series process of grinding, molding and sintering into fused silica rollers. Fused Silica ... defects Product Application: Fused Silica Rollers can used in glass tempered furnace, floating method glass kiln ,floating ... bar, material basin, rotating tube, radar antenna cover, widely used in spacecraft, rocket, missile, radar, Atomic Energy, electronic, steel, ...