INSULATION BRICKS
We sustain flawless quality of our insulation bricks by dedicate ourselves to intense R&D works. Low weight, high solidity and low heat conductivity are the significant features of our insulation bricks that make them unparalleled in all stands. Light Weight Fire Insulating Bricks are being used in all types of furnaces, boilers etc. for heat insulation.
INSULATION BRICKS INFORMATION
| Parameters | 20-Grade | 23-Grade | 25-Grade | 26-Grade | 28-Grade | |
|---|---|---|---|---|---|---|
| Service Temperature | 1230° | 1250° | 1350° | 1430° | 1510° | |
| Al₂O₃ > | 38% | 45% | 50% | 50% | 60% | |
| Fe₂O₃ < | 1% | 1% | 1% | 1% | 1% | |
| Bulk Density (gm/cc) max | 0.64 | 0.77 | 0.615 | 0.86 | 0.96 | |
| Cold Crushing Strength (MPa) | 1.20 | 1.80 | 2.25 | 2.20 | 2.20 | |
| Pyrometric Cone (ASTM No., min) | 27 | 27 | 29 | 32 | 31 | |
| PLC at Service Temperature (°C / 3hrs, max) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
|
THERMAL CONDUCTIVITY Kcal/m/hr/°C max |
200°C | 0.12 | 0.16 | - | - | - |
| 400°C | 0.14 | 0.18 | 0.18 | 0.27 | 0.32 | |
| 600°C | 0.16 | 0.20 | 0.19 | 0.30 | 0.34 | |
| 800°C | 0.20 | 0.23 | 0.21 | 0.33 | 0.35 | |
| 1000°C | 0.24 | 0.24 | 0.23 | 0.36 | 0.38 | |