Insulation Firebrick consists of B-series and C-series based on JIS JAPAN standard
B-Series consists of B1, up to B-7
C-Series consists of C1, C2 & C-3
Applications:
- Lining furnace for Annealing furnace, Carbonization furnace, Tempering furnace, Cracking furnace, Roller kiln, Tunnel kiln, Cracking furnaces, Heating furnaces, Roller kilns, and so on
- As an insulating layer in a furnace such as a glass tank kiln
| B1 | B2 | B4 | B5 | B6 | B7 | C1 | C2 | ||
|---|---|---|---|---|---|---|---|---|---|
| Classification Temperature (oC) | 900 | 1000 | 1200 | 1300 | 1400 | 1500 | 1300 | 1400 | |
| Bulk Density(Kg/m3) | 650 | 650 | 780 | 780 | 870 | 960 | 1060 | 1140 | |
| Shrinkage after Heavy Firing JIS R2613 | 0.68 (900) | 0.80 (1000) | 0.30 (1200) | 0.30 (1300) | 0.60 (1400) | 0.90 (1500) | 0.70 (1300) | 0.80 (1400) |
|
| Pressure Strength (ASTM C93,MPa) | 3.0 | 3.2 | 1.2 | 1.4 | 2.4 | 3.6 | 4.4 | 5.7 | |
| Tensile Strength (ASTM C93,MPa) | 1.5 | 1.8 | 0.7 | 0.8 | 1.8 | 2.0 | 2.5 | 3.1 | |
| Modulus of Thermal Expansion (%) (JIS R2617, oC) | 0.10 (900) | 0.23 (1000) | 0.50 (1000) | 0.50 (1000) | 0.48 (1000) | 0.50 (1000) | 0.50 (1000) | 0.50 (1000) |
|
| Chemical Composition (%) | AL2O3 | 12 | 12 | 41 | 41 | 41 | 62 | 40 | 41 |
| Fe2O3 | 4.2 | 3.6 | 1.2 | 1.2 | 1.4 | 0.9 | 1.2 | 1.2 | |
| Mortar | Mortar 1300 | Mortar 1300 | Mortar 1300 | Mortar 1300 | Mortar 1400 | Mortar 1500 | Mortar 1300 | Mortar 1400 | |
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