GEN Series Insulating Fire Brick/ Lightwei...

Description GEN Insulating Fire Bricks are specially characterized by their excellent porous structure, thermal conductivity, heat expansion, mechanical strength, low weight and high thermal insulating properties suitable for minimizing a heat loss and maximizing a heat conservation in industrial kilns and furnaces behind a refractory lining. GEN Insulating Fire Bricks are manufactured by using sawdust & Styrofoam and designed for a maximum service temp. 1100°C to 1760°C.    Features * Various Max. Service Temp.: 1100°C to 1760°C * Excellent insulating properties * High Mechanical Strength * Light Weight * Good insulation Value * Good Thermal Shock Resistance   Grade GEN-20S GEN-20 GEN-23S GEN-23 GEN-26 GEN-28 GEN-30 GEN MULTI -32   Maximum service temperature °C 1100 1100 1260 1260 1430 1540 1650 1760 °F 2012 2012 2300 2300 2600 2800 3000 3200   Bulk density, dried at 110°C kg/m3 500= 500±50 500= 500±50 700±50 900±50 1000±50 1250±50   Cold crushing strength MPa 1.2 1.2 0.9 1.2 1.7 2.2 2.6 3.5 lbs/sq.in. 174 174 131 174 247 319 377 508   Llinear thermal expansion  (ASTM C-210) % 0.5= 0.5= 0.5= 0.5= 0.5= 0.7= 1= 1= °C 1070 1070 1230 1230 1400 1510 1620 1700   Thermal conductivity (ASTM C-182) mean temp. @200°C W/(mK) 0.11 0.13 0.15 0.12 0.25 0.30 0.36 0.46                                                 @400°C 0.13 0.15 0.17 0.14 0.27 0.32 0.38 0.48                   @600°C 0.15 0.17 0.18 0.16 0.29 0.34 0.41 0.50                   @800°C 0.15 0.19 0.21 0.16 0.31 0.36 0.42 0.51                  @1000°C 0.19 0.23 0.25 0.20 0.33 0.38 0.44 0.53                  @1200°C - - 0.27 0.23 0.35 0.41 0.47 0.56                     @392°F BTU/ (sq.ft.×h×°F/in) 0.76 0.90 1.04 0.83 1.73 2.08 2.50 3.19                   @752°F 0.90 1.04 1.18 0.97 1.87 2.22 2.64 3.33                  @1112°F 1.04 1.18 1.25 1.11 2.01 2.36 2.84 3.47                  @1472°F 1.04 1.32 1.46 1.11 2.15 2.50 2.91 3.54                  @1832°F 1.32 1.59 1.73 1.39 2.29 2.64 3.05 3.68                  @2192°F - - 1.87 1.59 2.43 2.84 3.26 3.88   Chemical analysis, typical (%)   Silica SiO2 53.21 39.80 43.00 43.20 46.90 27.90 27.30 21.30   Alumina Al2O3 41.35 42.10 51.80 52.00 48.30 70.50 71.10 77.10   Titanium dioxide TiO2 1.56 0.58 1.02 1.32 0.12 0.11 0.10 0.11   Ferric oxide Fe2O3 1.23 0.86 1.14 0.63 0.76 0.40 0.43 0.43   Calcium oxide CaO 0.65 13.80 0.52 0.56 0.89 0.24 0.23 0.18   Magnesium oxide MgO 0.12 0.63 0.13 0.15 0.16 0.10 0.10 0.20   Potassium oxide K2O 0.99 0.81 0.94 0.92 1.22 0.26 0.25 0.23   Sodium oxide Na2O 0.37 0.39 0.34 0.33 0.23 0.32 0.28 0.26   Loss on ignition   1025°C (1877°F) LOI 0.15 0.07 0.12 0.12 0.04 0.01 0.02 0.01   Colour WHITE BEIGE WHITE WHITE WHITE WHITE WHITE WHITE