fused mullite

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fused mullite
Posting date : Sep 10, 2008
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27-
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Fused Mullite Type Guarantee value Typical value Index Chemical Composition (%) Al2O3 70-77 75.3 SiO2 22-29 24.08 Fe2O3 ≤0.1 0.05 R2O3 ≤0.5 0.18 RO ≤0.3 0.28 Mullite phase 3Al2O3 2SiO2(%) ≥95 Glass phase (%) ≤5 Linear expansion coefficient (1/°C) -6.0×10-6 Density of volume (g/cm3) ≥3.0 Refractoriness( °C ) ≥1840 Grain size (mm) 5-3 3-1 1-0 Color White or Grey Test standard KTB01006-2003 Packing 25kg/plastic bag 1000kg/plastic bag At buyer's option

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