Cordierite C 65

Garanteed values

     
Chemical composition, Psychical properties Fe2O3(max. %) 2,8
MgO (min. %) 11,0
Water absorption (%) max. 8,0
Bulk density (g/cm3) min. 2,0
Dilatation: 50-200 °C 10-6K-1 1,2-2,0
Dilatation: 50-600 °C 10-6K-1 2,5-3,0

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 36,20 34,00-38,00
SiO2 48,40 47,00-50,00
Fe2O3 2,40 2,00-2,80
TiO2 1,30 1,10-1,40
K2O 0,60 0,50-0,80
Na2O 0,20 0,10-0,40
CaO 0,50 0,30-0,70
MgO 11,50 11,00-12,50
Loss on ignition 0,20 0,20-0,35
Physical properties    
Bulk density (g/cm3) 2,1 2,00-2,30
7,1 4,00-8,00
Dilatation: 50-200 °C 10-6K-1 1,6 1,20-2,00
Dilatation: 50-600 °C 10-6K-1 2,7 2,50-3,00
Mineralogical properties    
Cordierit 65,00  
Mullit 15,0 13,00-17,00
Quartz 0,6 0,30-1,00