Chamotte NP Special Plus

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 41,00
Fe2O3(max%) 1,50
Refractoriness (CS/DIN) min. 175,00
Water absorption (%) max. 1,50
Bulk density (g/cm3) min. 2,58

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 42,15 41,00-43,50
Fe2O3 1,25 0,80-1,50
TiO2 1,54 1,40-1,70
K2O 0,75 0,55-0,80
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 0,07 0,05-0,15
Physical properties    
Refractoriness (CS/DIN) 175 175,00-176,00
Water absorption (%) 1,10 0,80-1,30
Bulk density (g/cm3) 2,62 2,58-2,68
Temperature of calcination (°C) 1 350
Calcined at Rotary kiln with preheater (Precalcinator)
Mineralogical properties    
Mullit 42 -
Cristobalit 6 -
Quartz 2 -