Double Gob Orifice Rings For 10” Spout - Saint-Gobain

SINTERED MATERIALS SILLIMANITE, MULLITE
CHEMICAL ANALYSIS
SiO 2
35%
Al 2O 3
61%
CRYSTALLOGRAPHIC ANALYSIS
Principal phase ...................................................................................... Mullite
Secondary phases ...................................................Corundum and silicate phase
PHYSICAL CHARACTERISTICS
International System British Standard Units
Bulk density .........................1.9 Tm-3 ..........................................119 pcf
Open porosity ...........................35% ............................................. 35%
Cold modulus of rupture ........7 Mpa
Refractoriness
........................................1015 psi
under load 2 105 Pa, 0.5% at ...1540°C
Coefficient of
under load 29 psi, 0.5% at .... 2800°F
thermal expansion ..........1.2 10-6 °C-1 ................................0.7 10-6 °F-1 Thermal conductivity
at 1000°C ......................0.7 Wm -1 °C -1 at 1830°F .........4.85 BTU in hr -1 ft -2 °F -1
Thermal shock resistance ....very good ......................................very good
TYPICAL APPLICATIONS
MS 60 L
Semi insulating product for spout cover blocks (improved insulation and lower
weight).
5
TiO 2
0.2%
Fe 2O 3
0.6%
Other
3.2%
The data quoted above provides average values for current production and is not contractual.
If further information is required, please contact the Saint-Gobain SEFPRO Marketing Department.
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