规格 |
化学分析 | |||||
Si(Min) |
Fe(Max) |
Al(Max) |
Ca(Max) |
B(Max) |
P(Max) | |
2N |
99.5% |
0.1% |
0.1% |
0.1% |
0.1% |
0.1% |
3N |
99.9% |
0.01% |
0.05% |
0.01% |
0.02% |
0.01% |
3.5N |
99.95% |
0.006% |
0.02% |
0.002% |
0.02% |
0.002% |
4N |
99.99% |
0.002% |
0.004% |
0.0008% |
0.003% |
0.0002% |
目数:200-500目 |
规格 |
化学分析 | |||||
Si(Min) |
Fe(Max) |
Al(Max) |
Ca(Max) |
B(Max) |
P(Max) | |
3.5N |
99.95% |
0.006% |
0.02% |
0.002% |
0.02% |
0.002% |
4N |
99.99% |
0.002% |
0.004% |
0.0008% |
0.003% |
0.0002% |
目数:50-100目 |