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

SINTERED MATERIALS ZIRCHROM
CHEMICAL ANALYSIS
CRYSTALLOGRAPHIC ANALYSIS
Principal phase .............................................................................Chromic oxide
PHYSICAL CHARACTERISTICS
International System British Standard Units
Bulk density ...................... 4.05 Tm -3
..........................................253 pcf
Open porosity ...........................17% ..............................................17%
Cold crushing strength ........165 Mpa
Refractoriness
.......................................23925 psi
under load 2 10 5 Pa, 0.5% at ....>1700°C
Coefficient of
under load 29 psi, 0.5% at ....>3900°F
thermal expansion ..............810-6 °C-1 .....................................4.4 10-6 °F-1 Thermal shock resistance ......medium ........................................medium
TYPICAL APPLICATIONS
ZIRCHROM 85
Al 2O 3
3%
ZrO 2
8%
Cr 2O 3
83.5%
New generation of high chrome oxide material with improved thermal shock
resistance specially developed for spout inserts.
16
SiO 2
1%
TiO 2
3.8%
Other
0.7%
Upon request and after faisability study, we can also supply monolithic spouts and
orifice-rings in ZIRCHROM 85.
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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