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Quartz Tube for MH lamp
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| Range of OD |
WT |
Siding |
Out of Round |
Bow/1220mm |
| 4.1±0.10 |
0.95±0.05 |
10% |
2.0% |
2.5mm |
| 4.35±0.10 |
1.0±0.05 |
10% |
2.0% |
2.5mm |
| 7.0±0.10 |
1.0±0.05 |
10% |
1.5% |
2.5mm |
| 15.0±0.15 |
1.0±0.05 |
12% |
1.5% |
2.5mm |
| 17.0±0.18 |
1.0±0.05 |
12% |
1.5% |
3.0mm |
| 20.0±0.25 |
1.5±0.10 |
15% |
1.5% |
3.0mm |
| 21.6±0.25 |
1.8±0.10 |
15% |
1.5% |
3.0mm |
| 23.0±0.30 |
1.5±0.15 |
15% |
1.5% |
3.0mm |
| 25.3±0.35 |
1.65±0.15 |
15% |
1.5% |
3.0mm |
| 29.0±0.40 |
1.9±0.20 |
15% |
1.5% |
3.0mm |
| 36.0±0.50 |
2.0±0.25 |
15% |
1.5% |
3.0mm |
|
Chemical
composition（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 |
1-5 |
|
Physical
Properties: |
| |
2.2 |
| Coefficient
of expansion 25-300℃ ℃-1(×10-6) |
0.56 |
| Softening
point （℃） |
1670 |
| Annealing
point （℃） |
1210 |
| Strain
point （℃） |
1110 |
| Youngs
modulus (Pa) |
7.3×105 |
Application：
It is widely applied for MH lamp, such
as single-ended, automobile, G12, Double-ended,
and high power stage lamp etc.
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