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|
Specification |
|
|
Structure |
All glass double concentric tubes |
|
Material |
Borosilicate glass 3.3 |
|
Outer tube diameter |
Φ47±0.7.mm &=1.6mm |
|
Inner tube diameter |
Φ58±0.7.mm &=1.6mm |
|
Length |
47mm-1500mm/1600mm/1800, |
|
58mm-1500mm/1600mm/1800mm/2000mm/2100mm |
|
|
Coating |
SS-C/Cu |
|
Absorption rate after evacuating(AM1.5) |
α= 0.88–0.90 |
|
Emission rate after evacuating(AM1.5) |
ε= 0.04–0.06(80°C±5°C) |
|
Vacuum degree |
P≤5.0×10¯³Pa |
|
Average heat loss conficient |
ULT = 0.4-0.6w(m².°c) |
|
Max stagnation temperature (temperature inside of empty vacuum tube) |
260°C-300°C |
|
Pressure |
0.6MPa |
|
Impact Resistance |
Φ≤25mm |
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