Tube structure

All-glass double deck co-axial structure

Glass material

High borosilicate 3.3 glass

Outer tube diameter and glass thickness

Ø47±0.7mm; Glass thickness 1.6±0.15mm

Ø58±0.7mm; Glass thickness 1.6±0.15mm

Ø70±0.7mm; Glass thickness 2.0±0.15mm

Inner tube diameter and glass thickness

Ø37±0.7mm; Glass thickness 1.6±0.15mm

Ø47±0.7mm; Glass thickness 1.6±0.15mm

Ø58±0.7mm; Glass thickness 1.6±0.15mm

Tube length

800mm,1200mm,1500mm,1600mm,1800mm,

1900mm,2000mm,2100mm etc

Length of condenser

120mm

Thickness of condenser

1.6±0.15mm

Coating material

CU/SS-ALN(H)/SS-ALN(L)ALN

             Sediment method

Three target magnetron sputtering plation

Absorptivity

0.92-0.96(AM1.5)

Emission ratio

Emission: 0.04-0.06

Vacuum degree

P≤5.0×10^-3(pa)

Stagnation temperature

260-300°C

Average heat loss

UTL0.4-0.6w/(m²×°C)

Hail resistance

Ø25mm

Pressure-endure

1MPa