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产品介绍 >>>硅微粉>>>熔融型硅微粉
我公司对各种规格的硅微粉均可提供活性硅微粉，沉降时间不少于45分钟。
熔融硅微粉是用熔融石英加工而成，是高纯度、无定形的粉末。具有线热膨胀系数小，低应力，低放射性含量等优良特性。主要用于大规模及超大规模集成电路用塑封料、环氧浇注料、灌封料、硅橡胶及其它化工领域。
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成分、粒度分布\型号
|
RG300
|
RG400
|
RG600
|
RG1000
|
||
|
化 |
SiO2 (%)
|
99.92
|
99.92
|
99.90
|
99.90
|
|
|
Al (ppm)
|
35
|
35
|
40
|
40
|
||
|
Fe (ppm)
|
40
|
40
|
50
|
60
|
||
|
Na (ppm)
|
-
|
-
|
-
|
-
|
||
| K (ppm) |
25
|
25
|
25
|
30
|
||
| Ca (ppm) |
10
|
10
|
10
|
15
|
||
|
Mg (ppm)
|
12
|
12
|
15
|
20
|
||
|
水 |
Na+ (ppm)
|
2.5
|
2.5
|
2.5
|
2.5
|
|
|
K+ (ppm)
|
2
|
2
|
3
|
3.5
|
||
|
Cl- (ppm)
|
1.5
|
1.5
|
1.5
|
2
|
||
|
Ec (μm/cm)
|
3
|
3
|
5
|
5
|
||
|
粒 |
标
准 筛 |
100mesh(%)
|
-
|
-
|
-
|
-
|
|
140mesh(%)
|
-
|
-
|
-
|
-
|
||
|
200mesh(%)
|
-
|
-
|
-
|
-
|
||
|
325mesh(%)
|
-
|
-
|
-
|
-
|
||
|
激
光 粒 度 分 析 |
128μm(%)
|
-
|
-
|
-
|
-
|
|
|
96μm(%)
|
-
|
-
|
-
|
-
|
||
|
48μm(%)
|
-
|
-
|
-
|
-
|
||
|
24μm(%)
|
-
|
-
|
-
|
-
|
||
|
6μm(%)
|
-
|
-
|
-
|
-
|
||
|
1μm(%)
|
-
|
-
|
-
|
-
|
||
|
平均粒径(μm)
|
22.4
|
17.5
|
15.4
|
5.1
|
||
