>>>Silica Sand For Optical Glass
Silica sand is processed from the
quality silica (or quartz) stone， have a high purity of SiO2,
a low impurity content ，which as raw materials of optical glass, refractory,
metallurgy, ceramic, foundry, abrasives etc.
|
Chemical AnalysisAnd Partica Size Distribution/Specification
|
MS-20
|
MS-40
|
MS-60
|
MS-200
|
|
|
Chemical Analysis Data |
SiO2 (%)
|
99.85
|
99.85
|
99.85
|
99.8
|
|
Al (ppm)
|
50
|
50
|
60
|
80
|
|
|
Fe (ppm)
|
20
|
25
|
3
|
100
|
|
|
Ca (ppm)
|
15
|
15
|
20
|
25
|
|
|
Mg (ppm)
|
3
|
3
|
5
|
8
|
|
|
Na (ppm)
|
10
|
10
|
15
|
20
|
|
|
Ti (ppm)
|
3
|
3
|
5
|
10
|
|
|
K (ppm)
|
15
|
15
|
15
|
20
|
|
|
Li (ppm)
|
-
|
-
|
-
|
-
|
|
|
Partical Size |
2000μm--1000μm(%) |
3
|
-
|
-
|
-
|
| 1000μm--450μm(%) |
90
|
2
|
-
|
-
|
|
| 450μm--180μm(%) |
7
|
90
|
8
|
0.5
|
|
| 180μm--75μm(%) |
-
|
8
|
82
|
8.5
|
|
| 75μm--(%) |
-
|
-
|
10
|
91
|
|
>>> Main Products
