>>> Fused Silica Powder
It's produced using fused quartz lump as material,it's white powder of high purity and amorphous. With the quality of low linear expansion coefficient, low stress and low radioactivity content. Mainly applied in plastic seal used in large-scale and extra large-scale integrate circuit, epoxy resin, pouring, silica rubber and other chemical industries.
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Chemical AnalysisAnd Partical Size Distribution/Specification
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RG300
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RG400
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RG600
|
RG1000
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Chemical |
SiO2 (%)
|
99.92
|
99.92
|
99.90
|
99.90
|
|
|
Al (ppm)
|
35
|
35
|
40
|
40
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Fe (ppm)
|
40
|
40
|
50
|
60
|
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Na (ppm)
|
-
|
-
|
-
|
-
|
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| K (ppm) |
25
|
25
|
25
|
30
|
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| Ca (ppm) |
10
|
10
|
10
|
15
|
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Mg (ppm)
|
12
|
12
|
15
|
20
|
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Water |
Na+ (ppm)
|
2.5
|
2.5
|
2.5
|
2.5
|
|
|
K+ (ppm)
|
2
|
2
|
3
|
3.5
|
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|
Cl- (ppm)
|
1.5
|
1.5
|
1.5
|
2
|
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|
Ec (μm/cm)
|
3
|
3
|
5
|
5
|
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|
Partical |
Standard sieve
|
100mesh(%)
|
-
|
-
|
-
|
-
|
|
140mesh(%)
|
-
|
-
|
-
|
-
|
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|
200mesh(%)
|
-
|
-
|
-
|
-
|
||
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325mesh(%)
|
-
|
-
|
-
|
-
|
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Laser Partical Size
|
128μm(%)
|
-
|
-
|
-
|
-
|
|
|
96μm(%)
|
-
|
-
|
-
|
-
|
||
|
48μm(%)
|
-
|
-
|
-
|
-
|
||
|
24μm(%)
|
-
|
-
|
-
|
-
|
||
|
6μm(%)
|
-
|
-
|
-
|
-
|
||
|
1μm(%)
|
-
|
-
|
-
|
-
|
||
|
D50(μm)
|
22.4
|
17.5
|
15.4
|
5.1
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