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Help CenterTransparent Quartz Glass Tube,slica Tube
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Specifications
With very low expansion coefficient, high temperature resistance, good chemical stability, excellent insurability, low and stablApplications: In lighting and heating industries, it is widely applied for halogen lamp, mercury lamp, single-ended lamp, automobile lamp, stage lamp, thermocouple, printer lamp, sleeve for water treatment lamp, quartz utensils and pipes, etc.
1.Chemical Compositions unit: ppm
Al |
Ca |
Fe |
K |
Na |
Li |
Mg |
Pb |
B |
Ba |
Mn |
Zn |
20 |
2.1 |
1.2 |
3.4 |
3.4 |
0.6 |
0.4 |
0.01 |
0.3 |
0.2 |
0.4 |
0.2 |
2. Physics Properties
Purity |
99.999Sio2 |
The Current Highest Temperature |
900 |
Density 20Kg.m3(×103) |
2.2 |
Heat Expansion Coefficient Cm/Cm |
5.5×10-7 |
Softening Point |
1550 |
Annealing Point |
1200 |
Strain Point |
1100 |
Heat Exchange Index W(Cm. )(0-650) |
0.017 |
Dispute Pressure Intension Mpa |
640 |
Dispute Tension Intension Mpa |
60 |
Dispute Inflection Intension Mpa |
110 |
Rigidity Modulus Gpa |
32 |
Yangs Modulus Gpa |
74 |
Resistance Index Ω.cm |
1018 |
Electrical Pressure-Resistant kv/mm(a.t20) |
16-43 |
3. Detailed Specifications and Technology Standards
Dimension Deviation |
OD (in mm) |
Grade I,II,III |
Wall Thickness Deviation |
W.T (in mm) |
Tolerance |
2.6≤φ4.8 |
±0.3 |
0.6-1.0 |
±18 |
||
6≤φ13 |
±0.3 |
1.1-1.5 |
±14 |
||
13≤φ30 |
±3.0 |
1.6-2.0 |
±12 |
||
30≤φ60 |
±3.0 |
2.1-2.5 |
±12 |
||
80≤φ100 |
±5.0 |
2.6-3.0 |
±12 |
||
100≤φ120 |
±5.0 |
4.6-5.6 |
±24 |
||
Ellipticity |
Not over the absolute value of OD deviation |
3-5% |
Deflection of Wall |
Not over the absolute value of wall thickness deviation |
0.5% |
Air line Length Air line Width |
6≤φ12 |
No limitation |
Transparent quartz glass tubes are divided into Grade I, II and III according to the length of air lines and air bubbles. |
||
13≤φ26 | |||||
Angularity |
Not over the tube length |
3% |
Length |
Deviation |
±1 |
Currently, different Out Diameter from 2mm to 500mm is our production ability
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