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fused mullite
Fused Mullite is used in applications such as refractories for glass and steel industries, kiln furniture, investment casting as shell building materials, spark plug bodies,
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Introduction
Fused Mullite is widely used in manufacturing many refractory products,
like the low creep-rupture bricks for the hot-air stove, melting-iron groove or torpedo car,
high-temperature industrial kiln, glass melting furnace, as well as in producing high-temperature saggers or shed planks, etc.
fused mullite 's Chemical Composition Table:
|
chemical composition % |
AL2O3 |
72-77 |
|
SiO2 |
23-29 |
|
|
Fe2O3 |
≤0.1 |
|
|
R2O |
≤0.5 |
|
|
RO |
≤0.3 |
|
|
mullite phrase content (%) |
≥95 |
|
|
glass phase content (%) |
≤5 |
|
|
linear expansion coefficient (1/°C) |
-6.0*10-6 |
|
|
real density (g/m³) |
≥3.2 |
|
|
refractoriness (°C) |
≥1840 |
|
|
grain size of section sand (mm) |
0-1/1-3/3-5 |
|
|
powder (mesh) |
0-325 0-200 |
|
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