Insulating Bricks

INSULATING BRICKS

BRAND NAME  Mahakoshal HFI-110  Mahakoshal HFK-135  Mahakoshal HFK-140  Mahakoshal P-500  Mahakoshal P-650  Mahakoshal P-700  Mahakoshal P-750
PHYSICAL PROPERTIES
Bulk Density (g/cc) Max. 1.00 1.10 1.00 0.55 0.65 0.8 0.80
Apparent Porosity (%) Min. 60 60 60
CCS (kg/cm2) Min. 25 30 25 7 25 13 40
Service Temperature (0C) Max. 1100 1350 1400 1300 1430 1400 1430
Nature of Bond Ceramic Ceramic Ceramic Chemico-Ceramic Chemico-Ceramic Chemico-Ceramic Chemico-Ceramic
Base Raw Materials Fire Clay, Mica Fire Clay, Kyanite Fire Clay, Kyanite Synthetic Alumina Synthetic Alumina Synthetic Alumina Synthetic Alumina
CHEMICAL ANALYSIS (wt%)
Al2O3 (Min.) 20 30 40 40 52 55 50
Fe2O3 (Max.) 2.0 2.0 2.0 1.0 1.5 1.5 1.5
THERMAL PROPERTIES
PCE (0C/OC) Min. 1564/20 1659/29 1665/30 1605/23 1665/30 1665/30 1683/31
PLC (%) Max. ±0.5 at 11000C/5h ±1.5 at 13500C/5h ±1.5 at 14000C/5h ±1.05 at 13000C/5h ±1.5 at 14300C/5h ±1.5 at 14000C/5h ±1.5 at 14300C/5h
RTE (%) at 10000C Max. 0.50 0.50 0.50 0.55 0.55 0.55 0.55
Thermal Conductivity (W/m.K) at:
Hot Face Temperature of 3000C
Hot Face Temperature of 5000C 0.3 0.35 0.35
Hot Face Temperature of 8000C 0.26 0.33 0.35 0.35
Application Areas Back up Lining for Boiler, Reheating Furnace Back up Lining for Glass Tank Furnace, Blast Furnace Back up Lining for Glass Tank Furnace, Blast Furnace Back up Lining for Special Applications Back up Lining for Special Applications Back up Lining for Special Applications Back up Lining for Special Applications

 

              

Notes

  • Size Tolerance : ±5% or ± 2.0mm whichever is greater.
  • Mahakoshal does not warrant the accuracy, fitness for purpose or updates of any information disclosed herein. Specification of the products may change based on the geographical area to be supplied.
  • Data shown are based on average results of production samples and are subject to normal variation during individual tests.
  • and Min. values are given separately for testing purposes.
  • The information contained herein are exclusive property of Mahakoshal.

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