| Component | Unit | Index |
| SiO 2 | % | ≤29 |
| Al 2 O 3 | % | ≥63 |
| MgO | % | <5 |
| Fe 2 O 3 | % | <1.5 |
| Item | Unit | Index |
| Material | Mullite | |
| Specific gravity | g/cm 3 | 2.0-2.5 |
| Water absorption | % | 15-20 |
| Average thermal expansion coefficient | 10 -6 /K(20-800ºC) | 4.5-6.5 |
| Thermal conductivity | W/m · K( 20-1000ºC ) | 1.5-2.0 |
| Thermal efficiency | % | 95 |
| Maximum operating temperature | ºC | 1350 |
| Instantaneous impact temperature | ºC | 1450 |
| Specific heat capacity | J/ Kg ·K | ≥1250 |
|
Compressive strength
Thermal shock resistance △T |
Mpa | Axial ≥28 |
| Mpa | Lateral ≥8 | |
| Material | ºC/ Min | ≥300 (no cracking after three cycles) |
| Specifications (mm) | Number of holes |
Wall thickness
(mm) |
Outer wall thickness ( mm ) |
Pore width
( mm ) |
Porosity |
Specific surface area
( / m³ ) |
Product weight
( kg ) |
| 150x150x30 0 | 25x25 | 1.0±0.1 | 1.2±0.15 | 4.8-5.0 | 68% | 580 | 4.0-5.0 Kg |
| 150x150x15 0 | 25x25 | 1.0±0.1 | 1.2±0.15 | 4.8-5.0 | 68% | 580 | 2.0-2.5 Kg |
| 150x150x30 0 | 32x32 | 0.9±0.1 | 1.2±0.15 | 3.8-3.9 | 66% | 724 | 4.2-5.2 Kg |
| 150x150x15 0 | 32x32 | 0.9±0.1 | 1.2±0.15 | 3.8-3.9 | 66% | 724 | 2.1-2.6 Kg |
| 150x150x30 0 | 40x40 | 0.7±0.1 | 1.1±0.15 | 2.9-3.1 | 63% | 880 | 4.2-5.2 Kg |
| 150x150x15 0 | 40x40 | 0.7±0.1 | 1.1±0.15 | 2.9-3.1 | 63% | 880 | 2.1-2.6 Kg |
| 150x150x30 0 | 43x43 | 0.65±0.1 | 1.0±0.15 | 2.7-2.9 | 67% | 1000 | 4.6-5.6 Kg |
| 150x150x15 0 | 43x43 | 0.65±0.1 | 1.0±0.15 | 2.7-2.9 | 67% | 1000 | 2.3-2.8 Kg |
| 150x150x30 0 | 50x50 | 0.6±0.1 | 0.90±0.15 | 2.3-2.5 | 64% | 1090 | 4.8-5.8 Kg |
| 150x150x15 0 | 50x50 | 0.6±0.1 | 0.90±0.15 | 2.3-2.5 | 64% | 1090 | 2.4-2.9 Kg |
| Specifications and dimensions | Length( mm ) | Width( mm ) | Height( mm ) |
| 150 mm | 150±2.0 | 150±2.0 | 150±2.0 |
| 300 mm | 150±2.0 | 150±2.0 | 300±3.0 |