Because the refractory bricks are spread out heat then required protective material that can inhibit the propagation of heat. For this reason when installing fire bricks, add insulation bricks behind it so that the temperature in the combustion chamber is maintained constantly.
Insulation Brick IB-190 Specifications
Maximum working temperature: 900 ° C
Bulk Density: 0.46 ton / m³
Cold Crushing Strength:> 3.5 Kg / cm²
Chemical Composition
AL₂O₃: ≥ 15%
SiO₂: ≤ 75%
Insulation Brick IB-1 Specifications
Maximum temperature kerja: 950°C
Bulk Density: 0,70 ton/m³
Cold Crushing Strength: > 8 Kg/cm²
Chemical Composition
AL₂O₃: ≥ 20%
SiO₂: ≤ 67%
Insulation Brick B-1 Specifications
Maximum temperature kerja: 950°C
Bulk Density: 0,7 ton/m³
Cold Crushing Strength: > 18 Kg/cm²
Chemical Composition
AL₂O₃: ≥ 26%
SiO₂: ≤ 66%
Insulation Brick B-2 Specifications
Maximum temperature kerja: 1000°C
Bulk Density: 0,75 ton/m³
Cold Crushing Strength: > 20 Kg/cm²
Chemical Composition
AL₂O₃: ≥ 30%
SiO₂: ≤ 60%
Insulation Brick C-1 Specifications
Maximum temperature kerja: 1200°C
Bulk Density: 0,95 ton/m³
Cold Crushing Strength: > 35 Kg/cm²
Chemical Composition
AL₂O₃: ≥ 35%
SiO₂: ≤ 60%
Insulation Brick C-2 Specifications
Maximum temperature kerja: 1350°C
Bulk Density: 1,10 ton/m³
Cold Crushing Strength: > 40 Kg/cm²
Chemical Composition
AL₂O₃: ≥ 40%
SiO₂: ≤ 55%
Untuk keterangan lebih lanjut, silahkan download PDF ini :