CHAMOTTE NP Extra K

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 41,0
Fe2O3(max%) 2,00
Refractoriness (CS/DIN) min. 34/35
Water absorption (%) max. 2,0
Bulk density (g/cm3) min. 2,55

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 41,85 41,0-43,0
Fe2O3 1,85 1,5-2,0
TiO2 1,35 1,2-1,7
K2O 0,65 0,5-0,8
Na2O 0,05 0,05-0,1
CaO 0,35 0,3-0,7
MgO 0,21 0,1-0,3
SiO2 53,44 55,3-51,7
Loss on ignition 0,08 0,05-0,15
Physical properties    
Refractoriness (CS/DIN) 34/35 34/35-35
Water absorption (%) 1,7 1,5-2,0
Bulk density (g/cm3) 2,57 2,55-2,62
Temperature of calcination (°C) 1,350
Calcined at Rotary kiln with preheater (Precalcinator)
Mineralogical properties    
Mullit 38 -
Cristobalit 7 -
Quartz 4 -