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Aluminium Industry

The list is illustrative and does not cover the full range of products and some of the improved items which have been recently developed.
 
Refractories for Aluminium Industries A B C D
Al2O3 % 47 58 44 78
AP % 15.1 13.9 14.2 N.A.
B.D. (gm/cc) 2.30 2.56 2.25 2.86
PLC % ±0.50 ±0.50 0.16 N.A.
 (at°C/24 hrs) 1000 1450 1400 N.A.
CCS (kg/cm2) (24 hrs) 955 870 440 N.A.
RUL (ta °C) 1560 1650 1520 N.A.
MOR (kg/cm2) (24 hrs) 177 147 N.A. N.A.
Spalling (cycles) 15 15 30 N.A.
Creep % (2kgcm2) 0.004 0.035 N.A. N.A.
 (at °C/14-24 hrs) 1280 N.A. N.A. N.A.
 (at °C/20-50 hrs) N.A. 1350 N.A. N.A.
Thermal conductivity (W/mK) (at 1100°C) 1.15 1.42 1.32 N.A.
Open Porosity % N.A. N.A. N.A. 21.8
Closed Porosity % N.A. N.A. N.A. 2.4

 

 

     
 
 

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