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| Fused silica powder is manufactured from fused silica, It is high purity amorphous powder. For its good characters of lower linear expansion coefficient, lower tension and lower radiation, it is mainly used as material for epoxy molding compound of large circuit integration and super large circuit integration, epoxy potting compound, silicon rubber, investment casting, refractory, ceramics and other industrial fields. |
Chemical AnalysisAnd Partica Size Distribution / Specification
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QG600 |
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Chemical Analysis |
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>99.80 |
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<30 |
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<500 |
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K2O (ppm) |
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<20 |
<20 |
<25 |
Moisture (%) |
<0.1 |
<0.1 |
<0.1 |
<0.1 |
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<0.1 |
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<0.1 |
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Water extraction liquid |
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<3 |
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K+ (ppm) |
<2 |
<2 |
<3 |
<3.5 |
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<1.0 |
<2 |
EC(us/cm) |
<3 |
<3 |
<5 |
<5 |
PH |
5.5-7.5 |
Medium Particle Size D50(um) |
25-20 |
19-15 |
14-12 |
8 - 6 |
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