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OD range 80-200mm,Silicon
Dioxide>99.95%, impurity including
Al、Ca、Mg、K、
Na、Ti、Li、Ni、Cu、B、Cr<45ppm. High thermo-stability,
high electrical
isoativeness,high transmittance,anti-corrosive.The
applications is maily in the
industries of semiconductor, heliotechnics,
integrate circuit maker, fibre-optic
communication, laser technique, space
technology, military, optics, chemical
industry
and etc.It also can be processed to differnent
types of crucible.
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Elements
content（ppm）:
| Al |
Fe |
K |
Na |
Li |
Ca |
Mg |
Cu |
Mn |
Pb |
B |
Cr |
Ti |
OH |
| 25 |
2.0 |
2.0 |
3.0 |
3.0 |
1.0 |
1.0 |
0.1 |
0.1 |
0.1 |
0.2 |
0.1 |
2.0 |
1-150 |
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According
to our customer’s request, we use unimin sand
as material for producing kinds of quartz products
.
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UNIMIN sad Elements content（ppm）:
| Al |
Fe |
K |
Na |
Li |
Ca |
Mg |
Cu |
Mn |
Pb |
B |
Cr |
Ti |
OH |
16 |
0.3 |
0.7 |
0.8 |
0.6 |
0.3 |
0.1 |
0.05 |
0.05 |
0.01 |
0.2 |
0.1 |
1.2 |
1-150 |
Typical size and tolerance：
| OD
80-280（±mm） |
WT
1-10（±mm） |
Siding
（%）
|
Ovality
（%）
|
Bow
（‰）
|
| 外径 |
公差 |
公差 |
| 80 |
±1.0 |
±0.5 |
15 |
2.0 |
3 |
| 100 |
±1.5 |
±0.8 |
15 |
2.0 |
3 |
| 120 |
±2.0 |
±1.0 |
20 |
2.5 |
3 |
| 160 |
±3.0 |
±1.0 |
25 |
2.5 |
3 |
| 180 |
±4.0 |
±1.5 |
25 |
2.5 |
3 |
| 200 |
±4.0 |
±1.5 |
25 |
2.5 |
3 |
| 240 |
±6.0 |
±2.0 |
25 |
2.5 |
3 |
| 280 |
±8.0 |
±3.0 |
25 |
2.5 |
3 |
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