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Purity
high
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Country of Origin
china
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Type
4-10
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Material
fused silica
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SiO2 Content (%)
99.96
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Al2O3 Content (%)
0.0062
We are offering fused silica sand is made of high purity crystal silica by electrically fusing (fusing temperature 1800-2000) to amorphous silicon dioxide , then it was classed to different grades by manual and then specially engineered to sand form. Because fused silica has a very low thermal conductivity and excellent thermal shock resistance, it is used in lots of fields of investment casting, refractory,