Lupek C 314 HR [en]

Garanteed values

      ČSN 721300
Chemical composition, Psychical properties Al2O3(min%) 37,0 C
Refractoriness (CS/DIN) 171,0 3
Fe2O3(max%) 1,5 1
Water absorption (%) 15-20 4

Non attested values

Chemical composition: Typical analysis (%) Range (%)
Al2O3 38,65 39,0-41,0
Fe2O3 1,25 1,0-1,5
TiO2 1,54 1,2-1,7
K2O 0,70 0,5-0,8
Na2O 0,05 0,05-0,1
CaO 0,35 0,3-0,7
MgO 0,15 0,1-0,4
SiO2 - -
Loss on ignition 0,25 0,2-0,40
Physical properties    
Refractoriness (CS/DIN) 171 171-172
8,20 7,0-10,0
Bulk density (g/cm3) 2,15 2,00-2,20
Temperature of calcination (°C) 1,150
Calcined at Rotary kiln
Mineralogical properties    
Mullit 36 -
Cristobalit 6 -
Quartz 7 -