... widely used for measuring temperature in the fields of ceramic, metallurgy,chemical ... air tightness, high chemical stability, etc. We can produce all kinds of ceramic holders, Ceramic seal,ceramic substrate, ceramic tubes, ceramic pipe, ceramic ring,ceramic plate,Ceramic side bar, ceramic ... standards. itemunitdatatemperature of applicationC1380densityg/cm3>=3.02open porosity%<0.1bending strengthMpa250 ...