MS 4 F
Sintered mullite 79% alumina
Good corrosion resistance to alkali or boron vapours. Available in standard brick format.
Typical application
MS 4 F is used in :
- superstructures breastwalls for reinforcement and textile fiber glass furnaces as well as for borosilicate and enamels glass furnaces,
- regenerator chamber walls.
If mortar is required, use MULLITE MORTAR or BP MULLITE MORTAR.
Chemical and physical properties
Microstructure

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% |
1,680°C | 3,056°F |
Cold crushing strength | 80Mpa | 11,603psi |
Apparent porosity | 16% | 16% |
Typical bulk density | 2.6g/cm3 | 162pcf |
Storage
The sintered mullite 79% alumina, MS 4 F solution must be stored in a dry environment protected from weather conditions.
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