You are here: Home>Material Properties>Ceramic Material Properties ceramic material properties 2014-08-06 16:07:42 A1203Ceramic physical propertyTechnical Parameterunit95%99%99.50%content of A12O3%>=95>=99>=99.5Densityg/cm33.73.883.9hardnessHRA858890Porosity Rate%<0.4<0.2<0.15fractural strengthMpa250310350coefficient of hearexpansion10-6/k5.55.35.2thermal conductivityW/M.K27.826.726 Next: silicon carbide material prope