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Single-target Vacuum Tube Performance and Specification:
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Tube structure
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All-glass double deck co-axial structure
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Glass material
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High borosilicate 3.3 glass
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Outer tube diameter and glass thickness
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Ø58±0.7mm;Glass thickness 1.6±0.15mm
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Inner tube diameter and glass thickness
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Ø47±0.7mm;Glass thickness 1.6±0.15mm
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Tube dimension
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58*1800mm
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Absorption
coating
property
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Coating material
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AL/AL-ALN(H)/AL-ALN(L)/ALN
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Sediment method
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Single target magnetron sputtering plating
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Absorptivity
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0.90-0.93
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Emission ratio
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0.05-0.075(800C±50C)
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Vacuum degree
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P≤5.0X10-3(PA)
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Idle sunning property parameters
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220-260 m².C/KW
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Average heat loss coefficient
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ULT=0.6~0.7W/(M2.0C)
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Resistant Hail
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≤25mm
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Useful life
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15 years
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