11.High refractoriness,High density. 2.Classification temperatures:1100,1260,1360,1430. 3.Excellent thermal insulation propert ceramic fiber board,ceramic fire board ... shrinkage(%)(After 24 hours,density 320kg/m3)4(1000)3(1000)3(1100)3(1250)-3(1350Thermal conductivity (w/m.k)(density 285kg/m3)0 ... ;daily-use electrical heat insulation and retardant. Ceramic fiber board(1100,1260,1360,1430)