Classification temperature: 
 Ordinary ceramic fiber rejection cotton 1100 ℃ 
 Standard ceramic fiber rejection cotton 1260 ℃ 
 High-purity ceramic fiber rejection cotton 1260 ℃ 
 High alumina ceramic fiber rejection cotton 1360 ℃ 
 Zirconium aluminum ceramic fiber rejection cotton 1360 ℃ 
 Zirconium ceramic fiber rejection cotton 1430 ℃ 



 Project / commodity standard common type of high purity high alumina type containing zirconium 
 Classification temperature ℃ 1100 1260 1260 1360 1430 
 Operating Temperature ℃ <1000 1050 1100 1200 1350 
 Color white white white white white 
 Fiber 
 Dimension 
 Straight 
 Path 
 (Um) 
 Injection 
 2-3 
 2-3 
 2-3 
 2-3 
 2-3 

 Spun 
 3-4.5 
 3-4.5 
 3-4.5 
 3-4.0 
 3-4.0 

 Of 
 School 
 Group 
 Become 
 % AL2O3 44 46 47-49 52-55 39-40 
 AL2O3 + SIO2 96 96 99 99 - 
 AL2O3 + SIO2 + ZrO2 ---- 99 
 ZrO2 ---- 15-17 
 Fe2O3 <1.2 <1.0 0.2 0.2 0.2 
 Na2O + K2O ≤ 0.5 ≤ 0.5 0.2 0.2 0.2 



 Thrown silk cotton fiber characteristics: 
 Spun fiber, low shot content, low non-fibrous material content of untreated spun into long fibers of the fiber production process, high temperature furnace heating device wall lining of gap filler material, and excellent spinnability textiles raw materials. 

 Technical characteristics: 
 Low thermal conductivity, low thermal capacity 
 Excellent thermal stability and thermal shock resistance 
 Excellent tensile strength 
 Excellent thermal insulation, fire protection, acoustic 

 Application: 

 Industrial furnace construction materials, heating equipment, high temperature pipe wall lining 
 Power boilers, steam turbine and thermal power 
 Chemical industry, high-temperature reaction equipment and heating equipment lining the walls 
 High-rise building fire, insulation 
 Furnace door, roof insulation 
 High temperature filter material