Item
Corundum-mullite sagger
Synthetic mullite sagger
Cordierite sagger
MgO
-
5
3-6
AL2O3%
≥80
43-45
40-45
SiC%
SiO2%
≤18
46-48
≥46
Fe2O3%
≤0.03
≤0.7
bulk density g/cm3
≥2.7
≥2.0
≥2.2
Apparent porosity
≤22
21-23
≤20
CCS Mpa Mpaheat-resistant property
(1100℃ water-cooling)
≥30
≥50
≥60
