Specifications

1.High pressure withstanding ability
2.High absorption efficiency
3.CE ISO9001:2008
4.Stable and ageing-resistant coating

Tri-target solar vacuum tube

Charcater feature:It apply the technology of Three-target Magnetron Sputtering ,it has the advantage of High absorption,High efficiency ,High temperature .The material of  the glass can stand impact from the outer surrounding ,the age of the coating can up to 10 years more.

Glass mmaterial: borosilicate 3.3

Coating tstructure: SS-ALNx/Cu

Model: Φ47-1200mm,Φ 47-1500mm,Φ47-1600mm, Φ47-1800mm, Φ58-1500mm, Φ58-1600mm, Φ58-1800mm, Φ58-2000mm, Φ58-2100mm.

Outer tube diametre:Φ47±0.7mm;  thickness: δ=1.6mm

                   Φ58±0.7mm;  thickness: δ=1.6mm

Inner tube diametre: Φ37±0.7mm;  thickness: δ=1.6mm

                   Φ47±0.7mm;  thickness: δ=1.6mm

Color: Blue

Vacuum degree: P≤4.2×10-3(Pa)

Solar absorption efficiency: α=0.90-0.93(AM1.5)

Absorptivity emissivity ratio: εh =0.04-0.06(80°C±5°C)

The temperature of basking without water: Y=260~310 m² °C / KW

Average heat loss coefficient: :ULT=0.4~0.5W / ( m²°C)

Minimum quantity :500 pieces

Supply ability : 10,000,000 pieces/year

Delivery time: Within 2 weeks after payment