CHAMOTTE NP 35/B

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 35,0
Fe2O3(max%) 3,8
Refractoriness (CS/DIN) min. 32,0
Water absorption (%) max. 4,0
Bulk density (g/cm3) min. 2,45

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 37,47 35,0-38,0
Fe2O3 3,47 2,50-3,80
TiO2 1,23 1,2-1,4
K2O 1,02 0,9-1,3
Na2O 0,09 0,05-0,15
CaO 0,23 0,2-0,5
MgO 0,28 0,2-0,5
SiO2 56,20 59,9-55,6
Loss on ignition 0,13 0,10-0,30
Physical properties    
Refractoriness (CS/DIN) 32 32-32/33
Water absorption (%) 2,3 1,6-4,0
Bulk density (g/cm3) 2,53 2,45-2,59
Temperature of calcination (°C) 1,250
Calcined at Rotary kiln
Mineralogical properties    
Mullit 35 -
Cristobalit 4 -
Quartz 7 -