Schamotte NP 38 Li

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 38,0
Fe2O3(max%) 1,50
Refractoriness (CS/DIN) min. 171,0
Water absorption (%) max. 4,0
Bulk density (g/cm3) min. 2,40

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 38,50 38,00 - 40,50
Fe2O3 1,25 1,00 - 1,50
TiO2 1,50 1,40 - 1,70
K2O 0,90 0,60 - 1,10
Na2O 0,15 0,05 - 0,20
CaO 0,10 0,03 - 0,20
MgO 0,05 0,02 - 0,10
SiO2 55,80 58,70 - 54,00
Loss on ignition 0,15 0,10 - 0,30
Physical properties    
Refractoriness (CS/DIN) 172,00 171,00 - 173,00
Water absorption (%) 2,80 2,00 - 4,00
Bulk density (g/cm3) 2,45 2,40 - 2,55
Temperature of calcination (°C) 1 250
Calcined at Rotary kiln
Mineralogical properties    
Mullit 35,0 -
Cristobalit 2,0 -
Quartz 10,0 -