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Lianyungang C&S International Trade Co., Ltd
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Manufactured from pure quartz sand and industrial alumina in electric arc furnace, with high melting point, excellent thermal stability, low reversible thermal expansion and resistance to thermal shock and chemical corrosion at high temperature, Fused Mullite is widely used as lining brick in glass body kiln and large hot wind furnace in iron-making blast furnace, as well as in ceramic kiln furniture and petrochemistry.
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Fused Mullite
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Type
Index
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Guarantee value
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Typical value
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Chemical Composition (%)
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Al2O3
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70-77
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75.30
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SiO2
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22-29
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24.08
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Fe2O3
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≤0.1
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0.05
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R2O3
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≤0.5
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0.18
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RO
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≤0.3
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0.28
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Mullite phase 3Al2O3 2SiO2(%)
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≥95
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Glass phase (%)
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≤5
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Linear expansion coefficient (1/°C)
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-6.0×10-6
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Density of volume (g/cm3)
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≥3.0
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Refractoriness( °C )
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≥1840
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Grain size (mm)
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5-3 3-1 1-0
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Color
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White or Grey
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