CHAMOTTE NP Ia

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 39,00
Fe2O3(max%) 2,50
Refractoriness (CS/DIN) min. 33/34
Water absorption (%) max. 3,50
Bulk density (g/cm3) min. 2,45

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 40,20 39,00 - 41,00
Fe2O3 2,25 1,70 - 2,50
TiO2 1,32 1,20 - 1,50
K2O 0,72 0,50 - 0,80
Na2O 0,06 0,05  -0,10
CaO 0,35 0,30 - 0,70
MgO 0,24 0,10 - 0,40
SiO2 54,58 57,10 - 53,00
Loss on ignition 0,15 0,05 - 0,20
Physical properties    
Refractoriness (CS/DIN) 33/34 33/34-34
Water absorption (%) 2,50 1,80 - 3,50
Bulk density (g/cm3) 2,45 2,40 - 2,55
Temperature of calcination (°C) 1 300
Calcined at Rotary kiln
Mineralogical properties    
Mullit 36,00 -
Cristobalit 6,00 -
Quartz 7,00 -