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UV-stop Quartz TubeThis Ce doped glass can stop nearly all the radiation of ultraviolet ray of UV-B&UV-C and big proportion
UV-stop Quartz Tube
This Ce doped glass can stop nearly all the radiation of ultraviolet ray of UV-B&UV-C and big proportion radiation of ultraviolet ray of UV-A.it is an ideal material which stops ultravilet ray and set out maximum visible light .it serves as the material of quartz alogen lamps ,high density discharge lamps and other UV light,which prevent the harm to the skin of the people and the things which has to be under the exposion of UV radiation and set out the maximum visible light at the same time .
For detailed dimensional toletance and technical data please see table I,table II,table III, tableIV.
Dimensional Tolerance (table I)
Range of 0D |
0D |
WT |
Siding |
Out of Round |
Bow/1220mm |
≤6mm |
±20 |
±10 |
12 |
2.0 |
2.5mm |
6.0-15.00m |
±1.25 |
±8 |
10 |
1.5 |
2.5mm |
15.00-20.00mm |
±1.25 |
±10 |
15 |
1.5 |
2.5mm |
20.00-25.00mm |
±1.25 |
±10 |
15 |
1.5 |
3.0mm |
25.00-30.00mm |
±1.35 |
±12 |
15 |
1.5 |
3.0mm |
29.00-38.00mm |
±1.35 |
±12 |
15 |
1.5 |
3.0mm |
Chemical composition&OH (table II)
Cr |
Ge |
Fe |
Mg |
Ti |
Ca |
Al |
Na |
Li |
K |
OH |
20 |
0.4 |
1.5 |
0.4 |
100 |
1.0 |
16 |
2.3 |
0.5 |
2.0 |
25 |
Physical Properties (table III)
Density 20kg.m-3(×103) |
2.2 |
Coefficient of expansion 25-300 c-1(×10-6) |
0.56 |
Softening point() |
1630 |
Annealning point() |
1180 |
Strain point() |
1100 |
Youngs modulus(pa) |
7.3×105 |
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