high temperature thermo insulation material

Performancestandard boardstandard cylinderDensityboarddensity cylinderDensity(g/cm3)0.18±0.020.16±0.020.24±0.030.22±0.02Porosity(%)90928486Carbon content(%)99.5Ash content(%)<0.1average conductivity at 1000 centidegree(W/m·K)vacuum0.15-0.3inertia gas0.3-0.36thermal expansion coefficient (10-6/centidegree) 25-1000centidegree3.1±0.41000-2000centidegree3.6±0.4compressivestrength(MPa)Parallel to fiber orientation(XY)1.10.92.41.2Vertical to fiber orientation(Z)0.20.20.40.3bending strength(MPa)Parallel to fiber orientation(XY)1.61.82.82.3Vertical to fiber orientation(Z)1.01.21.51.4carbonized product maximum service temperature(centidegree)1800graphitized product maximum service temperature(centidegree)2800