Alumina & Mullite Series Product
® Features
Cordierite saggar, Mullite-Cordierite saggar, Mullite-Corundite saggar and Coundite.
® Application
Mainly applicable to high-temperature and medium-temperature kiln furniture including magnetic materials, electronic component, electric porcelain, ceramic powder and ceramic pigment.
® Specification
|
Item |
Unit |
Cordierite |
Mullite-Cordierite |
Mullite-Corundite |
Corundite |
|
Al2O3 |
wt% |
≧35 |
≧ 45 |
≧ 75 |
≧ 95 |
|
MgO |
wt% |
≧6 |
≧ 2 |
- |
- |
|
Apparent Porosity |
vol% |
≦28 |
≦25 |
≦24 |
≦24 |
|
Bulk Density |
g/cm³ |
≦2.1 |
≧2.2 |
≧2.6 |
≧2.8 |
|
Flexural Strength (normal temp.) |
kg/cm² |
80~100 |
90~110 |
100~150 |
120~150 |
|
Compression Strength (normal temp.) |
kg/cm² |
≧300 |
≧350 |
≧600 |
≧600 |
|
Thermal Expansivity |
% |
0.4 |
0.42 |
0.55 |
0.7 |
|
Thermal Conductivity |
W/(m.K) |
1.1~1.3 |
1.2~1.4 |
1.3~1.4 |
1.5 |
|
Refractoriness |
℃ |
1650 |
1750 |
≧1790 |
≧1790 |
|
Max. Service Temp. |
℃ |
1250 |
1350 |
1450 |
1650 |
