Typical application
MS 75 is used in:
- regenerator chamber target walls and crowns,
- superstructures breastwalls for reinforcement and textile fiber glass furnaces as well as sodium silicate furnaces.
Intermediate creep resistance between MS 6 and BP MULLITE.
If mortar is required, use MULLITE MORTAR or BP MULLITE MORTAR.
Chemical and physical properties
Microstructure
Image
Typical chemical composition
Typical crystallographic analysis
Main phase:
- mullite
- corundum
Physical characteristics
| Description | International standards | British standards |
|---|---|---|
| Refractoriness under load of 2 105 Pa, at 0.5% |
1,700°C | 3,092°F |
| Cold crushing strength | 100Mpa | 14,504psi |
| Linear thermal expansion | 6.4 10-6K-1 | 3.6 10-6°F-1 |
| Thermal conductivity at 1,000°C | 2.1 W.m-1.K-1 |
14.6 BTU |
| Apparent porosity | 15% | 15% |
| Typical bulk density | 2.65g/cm3 | 165pcf |
Storage
The sintered mullite 75% alumina, MS 75 solution must be stored in a dry environment protected from weather conditions.