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58mm 1800mm Solar Evacuated Tube Solar Power Evacuated Glass Tube Evacuated Solar Collector Tubes

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Min. Order / Reference FOB Price
500 Piece	US $1.45/ Piece

Local Area:	Zaozhuang, Shandong, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, Paypal, Western Union

Brand:	GUANG PU
Model Number:	three-T Solar Collector Tube
Pipe Material:	Glass
solar vaccum tube coating:	AL/CU/SS

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SpecificationStructureAllglassdoubleconcentric tubesMaterialBorosilicateglass3.3OutertubediameterΦ47±0.7.mm&=1.6mmInnertubediameterΦ58±0.7.mm&=1.6mmLength47mm-1500mm/1600mm/1800,58mm-1500mm/1600mm/1800mm/2000mm/2100mmCoatingSS-C/CuAbsorptionrateafterevacuating(AM1.5)α=0.88–0.90Emissionrateafterevacuating(AM1.5)ε=0.04–0.06(80°C±5°C)VacuumdegreeP≤5.0x10¯³PaAverageheatlossconficientULT=0.4-0.6w(m².°c)Maxstagnationtemperature260°C-300°C(temperatureinsideofemptyvacuumtube)Pressure0.6MPaImpactResistanceΦ≤25mm