CHAMOTTE NP Ia

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 39,0
Fe2O3(max%) 2,50
Refractoriness (CS/DIN) min. 33/34
Water absorption (%) max. 3,5
Bulk density (g/cm3) min. 2,45

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 40,20 39,0-41,0
Fe2O3 2,25 1,7-2,5
TiO2 1,32 1,2-1,5
K2O 0,72 0,5-0,8
Na2O 0,06 0,05-0,1
CaO 0,35 0,3-0, 7
MgO 0,24 0,1-0,4
SiO2 54,58 57,1-53,0
Loss on ignition 0,15 0,05-0,20
Physical properties    
Refractoriness (CS/DIN) 33/34 33/34-34
Water absorption (%) 2,5 1,8-3,5
Bulk density (g/cm3) 2,45 2,45-2,55
Temperature of calcination (°C) 1,300
Calcined at Rotary kiln
Mineralogical properties    
Mullit 36 -
Cristobalit 6 -
Quartz 7 -