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Solar Glass Evacuated Tubes(Two Glass)

2.9~3.1 USD
Min. Order: 2600 Piece/Pieces
Trade Term: FOB
Payment Terms: L/C, T/T

Company Profile

Location: China (Mainland)
Business Type: Manufacturer, Trading Company, Distributor/Wholesaler

Product Description

1.Skylight evacuated tubes are the absorber of the solar water heater.
2.Skylight evacuated tubes absorb the solar energy and then convert it into heat for use in water heating.
3.Skyight evacuated tubes  are choosen for reliability, performance and low manafacture cost.
Length (nominal)
1800mm
Outer tube diameter
58mm
Inner tube diameter
47mm
Glass thickness
1.8mm
Thermal expansion
3.3x10-6 oC
Material
Borosilicate Glass 3.3
Absorptive Coating
Graded Al-N/Al
Absorptance
>93% (AM1.5)
Emittance
<8% (80oC)
Vacuum
P<5x10-3 Pa
Stagnation Temperature
>200oC
Heat Loss
<0.8W/ ( m2oC )
Maximum Strength
0.8MPa
Start-up temperature
≤25°C
Anti hail
≤Ø 25mm
Weight
2.2kg
Package
1880*330*170(10pcs)1880*280*170(8pcs)
Loadage(20GP/40GP)
2600/4800
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