Raw Materials

High Purity Fused Mullite

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belong to：Mullite series

Release time：2022-06-15 14:42:05

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details

Items	Sand ＞0.1mm	Powder ≦0.1mm
Al₂O₃（%）	70-77	70-77
SiO₂（%）	22-29	22-29
Fe₂O₃（%）	≦0.20	≦0.30
CaO（%）	≦0.30	≦0.30
K₂O+Na₂O（%）	≦0.30	≦0.50
Apparent Porosity，A.P. （%）	≦5.0
Bulk Density,B.D. （g/cm³）	≥3.0
Refractoriness,R. （℃）	≥1850

These kinds of mullite material are based on alumnina, and fused at very high temperature, can be applied for producing high purity mullite brick or castable, or in foundry industry.