You need to enable Javascript in your browser to use most features on our website.
Physical index¡¨ºo Porosity¡¨ºo12.0 ¡¡ìc 16.0 % Pressure¡¨ºo45 - 90 Refractoriness under load 0.2mpa (oc)t0.6¡¨ºo >1420 Main raw material: mullite, flint, etc.