|
Grade
1 |
Grade
2 |
SiO2 |
99.96%
(99.93%min) |
99.92%
(99.90% min) |
Fe2O3 |
32ppm
(90ppm max) |
52ppm
(100ppm max) |
TiO2 |
29ppm
(---) |
34ppm
(---) |
Na2O |
26ppm
(---) |
39ppm
(---) |
Ka2O |
27ppm
(---) |
32ppm
(---) |
CaO |
31ppm
(---) |
42ppm
(---) |
Al2O3 |
115ppm
(---) |
136ppm
(300ppm max) |
MgO |
6ppm
(---) |
8ppm
(---) |
Magnetic
iron |
1.9ppm
(---) |
2.1ppm
(---) |
Crystalline
part |
0.1%
max |
0.1%
max |
| Size:From original Lumps
to -1500Mesh |
| Specification:10-40
mesh,20-60 mesh |
Grade |
SiO2≥% |
Fe
ppm≤ |
Ca
ppm≤ |
K
ppm≤ |
Na
ppm≤ |
High
Grade |
99.95 |
30 |
1 |
20 |
20 |
A
Grade |
99.9 |
30 |
10 |
25 |
30 |
|
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