Chamotte NP Extra Mix

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 39,00
Fe2O3(max%) 2,20
Refractoriness (CS/DIN) min. 32/33
Water absorption (%) max. 4,00
Bulk density (g/cm3) min. 2,40

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 40,20 39,00 - 41,00
Fe2O3 2,15 1,70 - 2,20
TiO2 1,45 1,30 - 1,60
K2O 0,90 0,60 - 1,10
Na2O 0,15 0,05 - 0,20
CaO 0,35 0,20 - 0,60
MgO 0,24 0,10 - 0,40
SiO2 54,56 57,05 - 52,90
Loss on ignition 0,15 0,05 - 0,20
Physical properties    
Refractoriness (CS/DIN) 32/33 32/33 - 33
Water absorption (%) 3,20 1,80 - 4,00
Bulk density (g/cm3) 2,48 2,40 - 2,55
Temperature of calcination (°C) 1 300
Calcined at Rotary kiln
Mineralogical properties    
Mullit 35,00 -
Cristobalit 4,00 -
Quartz 7,00 -