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ceramic, refractory, alumina, steel brick, alumina ball, Manufacturer and Supplier - China(CN)
Breathable brick (8.)
Breathable brick
Categories
name
Regenerator protection board
Slide brick
The steel shafts
Breathable brick
Chemical composition
Al2O3
?70%
¡¦90%
¡¦90%
?70%
SiO2
?25%
6-9%
6-9%
?25%
Fe2O3
?1%
¡¥1%
¡¥1%
?1%
Cr3O2
3-5%
3-5%
Physical properties
Bulk density
¨×t/m3¨Ø
?2.6
?3.0
?3.0
?2.8
Compressive strength¨×MPa¨Ø
?28
?100
?100
?28
Flexural strength¨×MPa¨Ø
?30
?30
?30
?30
Coefficient of thermal expansion (10-6/K)
?5.0
5-7
5-7
?5.0
Apparent porosity
¡¥12%
¡¥10%
¡¥10%
¡¥12%
Refractori¨×⊥¨Ø
1700
1750
1750
1700
