HONEYCOMB
2022-12-21
HONEYCOMB
Advantage:
Variety of materials& specifications
Big specific surface area
small resistance loss
Low thermal expansion coefficient
High water absorb rate
Outstanding crack-resistance
Chemical & Physical Analysis:
Chemical & Physical index | cordierite | Dense cordierite | cordierite-mullite | Mullite | Corundum-mullite | |
Chemical composition(%) |
SiO2 | 45-55 | 45-55 | 35-45 | 25-38 | 20-32 |
Al2O3 | 30-38 | 33-43 | 40-50 | 50-65 | 65-73 | |
MgO | 10-15 | 5-13 | 3-13 | – | – | |
K2O+Na2O | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 | |
Fe2O3 | <1.5 | <1.5 | <1.5 | <1.5 | <1.5 | |
Thermal Expansion Coefficient | <2 | <4 | <4 | <5 | <7 | |
Specific Heat J/kg.K | 830-900 | 850-950 | 850-1000 | 900-1050 | 900-1100 | |
Working Temperature ℃ | <1300 | <1300 | <1350 | <1450 | <1500 |