... furnace.Spun Fibre: Contain lubricant ,low residue ball content,high fibre material content, and spun without processing turns to be long fibre ... yarns Blowing Fibre: No lubricant,no processing,low residue ball content, is the gap fillers of high temperature kiln, and raw ... -3.0Al2O3+SiO296.0≥98.0≥99.1--Al2O3+SiO2+ ZrO2( Cr2O3)---≥99.1≥99.1 1260 Refractory Cerafiber