... :1.80--1.95g/cm3 4. ISO 9000 certificate 5. Roller kiln Product Introduction : Rollers,also be called fused silica or fused ... with rollers and other stainless steel parts ,are new designed roller products. We take unique forming technology,with strict standards of ... Rollers can used in glass tempered furnace, floating method glass kiln ,floating method glass back furnace , cast steel water mouth, ...