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fused mullite

Zhongtian Special Alumina Co.,Ltd

fused mullite

Place of Origin : China

Brand Name : ZHONGYU

Model Number : 0-1/1-3/3-5mm -325mesh -200mesh

Price : USD800

Packaging Details : 1MT/Bag or 1.2MT/BAG

Delivery Time : 15days

Payment Terms : TT

Supply Ability : 1000MT

MOQ : 20MT

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Fused Mullite

Fused Mullite is produced by melting mixed pure quartz sand and industrial alumina in huge electric arc furnace .With the high content of mullite crystal, high melting point, excellent thermal stability, low reversible thermal expansion and resistance to thermal shock and chemical corrosion at high temperature, the fused mullite can be widely used as lining bricks in glass body kiln and large hot wind furnace in iron-making blast furnace, as well as in ceramic kiln and performance.

Fused Mullite’s detailed indexes table:


FM-70

FM-75

Chemical

Composition%

Al2O3

70-74

74-77

SiO2

25-28

22-25

Fe2O3

0.1max

0.1max

K2O+Na2O

0.5max

0.5max

CaO

0.3max

0.3max

Mullite phrase content(%)

95min

Glass phase content(%)

5max

Linear expansion coefficient(1/°C)

-6.0*10-6

Ture density(g/cm3)

3.2min

Refractoriess(°C)

1840min

Grain size of section sand(mm)

0-1/1-3/3-5

Powder(mesh)

-200 -325


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