Refractory Bricks

Technical Properties M.O.R (kg/cm²) 30 ± 5 Peff.Plasticity 22 Brightness (1180°c ) Cream % Drying Contraction (110° c) 4.5 ± 0.5 %Firing  Contraction (1180° c) 5 ± 0.5 physical Form Lump/Crushed %Moisture 8 ± 2 Packing Bulk Particle Size Distribution % > 150 µ < 40 cm > 40 µ < 5 cm > 20 µ 0 > 2 µ 0 Mineralogical Analysis % Kaolinite 22 ± 2 Quartz 39 ± 2 Calcite 4 ± 1 Total Feldspar 30 ± 1 Others 5 ± 1 Chemical Analysis L . O. I 5 ± 1 SiO₂ 72 ± 2 Al₂O₃ 15 ± 1 Fe₂O₃ 1.3 ± 0.3 TiO₂ 0.2 ± 0.1 CaO 2 ± 0.5 MgO 0.4 ± 0.2 Na₂O 3 ± 0.5 K₂O 2 ± 0.5 Sulfur Trace