Three target tube

High quality and low price
Tube structure
All-glass double-tube co-axial structure
Glass material
Borosilicate 3.3glass
Outer tube diameter and glass thickness
Φ=47±0.7mm &=1.6mm ±0.15mm
Φ=58±0.7mm &=1.6mm ±0.15mm
Φ=70±0.7mm &=2.0mm ±0.15mm
Inter tube diameter and glass thickness
Φ=37±0.7mm &=1.6mm ±0.15mm
Φ=47±0.7mm &=1.6mm ±0.15mm
Φ=58±0.7mm &=1.6mm ±0.15mm
Tube length
1200mm,1500mm,1600mm, 1800mm,1900mm ,2000mm , 2100mm
Absorber coating
Coating material
Cu/SS-AIN
Sediment method
Three targets magnetron sputtering plating
Absorptivity
a≥0.93(AM1.5)
Emittance
ε≤6.5% (80°C±5°C)
Vacuum degree
P ≤5.0×10
-3
Pa
Transmittance of glass tube
T≥0.89 (AM1.5 ISO9806-1:1994)
Stagnation parameter
Y:200~240 m²°C/kw
Average heat loss
ULT≤0.65w/( m².°c)
Hail resistance
Φ25 mm
Pressure-endure
0.6 Mpa