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- Contact Person : Mr. Cao James
- Company Name : Haining Babysun Solar Industry Co., Ltd.
- Tel : 86-573-87656382
- Fax : 86-573-87953656
- Address : Zhejiang,Haining,5 Huangshan Road, Jianshan Zone, Haining, Zhejaing,China
- Country/Region : China
- Zip : 314415
hot-selling non-pressure triple-target vacuum tube
Product Detailed
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vacuum tube
1. material tube heavier
2. coating time longer
3. checking equipment imported from Germany
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vacuum tube
CCC, CE, ISO9001 Certificate
Specification
Structure: Two concentric borosilicate glass tubes
Material: Borosilicate glass 3.3
Outer tube diamete: Φ47/Φ58
Inner tube diameter: Φ37/Φ47
Length: 47-1500mm/1600mm/1800mm;
58-1500mm/1600mm/1800mm/2000mm/2100mm
Coating: triple-target
Weight: Φ47: 1.3kg/1.5kg/1.7kg
Φ58: 2.2kg/2.5kg/2.8kg
Glass thickness: 1.6mm/1.8mm/2.0mm
Vacuum degree: P<5*10-3Pa
Thermal expansion: 3.3*10-6/°C
Insolation temperature: >200°C
Absorptance: >93%
Emittance: <5%
Heat loss: <0.8W(m2°C)
Maximum strength: 0.8Mpa
Resist cold: -35°C
Resist hail: 25mm/30mm/35mm
Resist wind: 30m/s
Start-up temperature: <=25°C
Lifetime: 15 years
hot-selling non-pressure triple-target vacuum tube
