Pálený kaolin C 214 HHR [en]

Garanteed values

Chemical composition, Psychical properties Al2O3(min%) 37,0
Fe2O3(max%) 0,75
Refractoriness (CS/DIN) min. 32,0
Water absorption (%) max. 10,0
Bulk density (g/cm3) min. 2,0

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 37,5 37,0-38,5
Fe2O3 0,7 0,6-0,75
TiO2 0,45 0,4-0,5
K2O 0,72 0,6-0,85
Na2O 0,1 0,02-0,2
CaO 0,1 0,02-0,2
MgO 0,3 0,2-0,4
SiO2 59,5 58,00-61,00
Loss on ignition 0,1 0,1-0,2
Physical properties    
Refractoriness (CS/DIN) 32,5 32-33
Water absorption (%) 8,0 6,0-10,0
Bulk density (g/cm3) 2,08 2,0-2,15
Temperature of calcination (°C) 1.350
Calcined at Rotary kiln
Mineralogical properties    
Mullit 37 -
Cristobalit 10 -
Quartz 3 -