... M1700,M1800,M1900.2) Standard dimension (mm):3/6,4/9,6/12,7/14,9/18,12/24. ... treating of ceramic ,magnet ,glass,metallurgy ,refractory,ect.4.physical property volume density5.5~5.6g/cm³bend strength ... 25kg/cm²vickers-hardness(hv)570kg/mm²porosity rate7.4%water absortion1.2%hot extensiblity4%5.The Max ... to check our website .Thanks in advance . XYX top quality MoSi2 heating element for heating treatment