... 3.Low thermal conductivity 4.classification 1100 DescriptionCommon Fibre: With hard clay clinker as raw material, ... melting,blowing,spun by the resistance furnace.Cerachrome Fibre: With alumina,silica and chromia as raw ... and raw material for vacuum forming products, fibre spray, fibre paperFeaturesExcellent thermal stability, resist devitrification at high ... 7 1100 superwool 607 bulk refractory fibre