Solar vacuum tubes
Competitive price and good quality
Certification:CE,ISO9001
Port: qingdao/ningbo/tianjin
Minimum Order Quantity: 200 Piece/Pieces
Supply Ability: 20000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: carton
Delivery Detail: 10-20days
Solar vacuum tubes
Model | Three-target solar vacuum tube | Single-target vacuum tube |
Structure | All-glass double-tube co-axial structure | |
Glass material | High borosilicate 3.3 glass | |
Diameter x length | 47x1500mm,1.6mm thickness, inner tube diameter:37mm | |
58x1800mm,1.6mm thicnkess, inner tube diameter:47mm | ||
70x2000mm,2.0mm thickness,inner tube diameter:58mm | ||
Structure | Cu/SS-ALN(H)/SS-ALN(L)ALN | AL/AL-ALN(H)AL-ALN(L)/ALN |
Sediment method | Three target magnetron sputtering plating | Single target magnetron sputtering plating |
Specific absorption | 93%-96%(AM1.5) | 90%-93%(AM1.5) |
Emission ratio | 0.04-0.06(80C+-5C) | 0.05-0.075(80C+-5C) |
Vacuum tightness | <=5.0x10-3Pa | <=5.0x10-3Pa |
Idle suning property parameters 260-300m2.C/KW | ||
Heat-loss coefficient | 0.4-0.6W/(m2.C) | 0.6-0.7 W/(m2.C) |
Preeure-endure ability | 0.6Mpa | |
Thermal expansion | 3.3x10-6K |