Schamotte NP Special C

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 41,0
Fe2O3(max%) 1,5
Refractoriness (CS/DIN) min. 175,0
Water absorption (%) max. 5,0-7,5
Bulk density (g/cm3) min. 2,32-2,36

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 42,15 41,0-43,5
Fe2O3 1,25 1,00 - 1,50
TiO2 1,54 1,50 - 1,60
K2O 0,75 0,70 - 0,80
Na2O 0,05 0,03 - 0,07
CaO 0,13 0,10 - 0,20
MgO 0,18 0,10 - 0,20
SiO2 53,95 55,60 - 52,10
Loss on ignition 0,20 0,15 - 0,30
Physical properties    
Refractoriness (CS/DIN) 175,00 175,00 - 176,00
Water absorption (%) 6,40 5,00 - 7,50
Bulk density (g/cm3) 2,34 2,30 - 2,36
Temperature of calcination (°C) 1 150
Calcined at Rotary kiln with preheater (Precalcinator)
Mineralogical properties    
Cristobalit 0,0
Quartz 3,0