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  • Mullite sagger

Mullite sagger

  • Mullite corundum sagger, with high fire resistance, good thermal shock stability and long service life, is a supporting product for high temperature and ultra-high temperature kilns.
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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

≤0.03

bulk density g/cm3

≥2.7

≥2.0

≥2.2

Apparent porosity

≤22

21-23

≤20

CCS Mpa Mpaheat-resistant property

≥80


-

(1100℃ water-cooling)

≥30

≥50

≥60




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