Long performance life:

The film layer uses the bi-heating resistant diffusion structure that can be efficiently protect the inner absorption layer, thus the film layer structure is not easy to damage. The metal Ti with the higher melting point is used as the coating material, and it has the advantage of high strength, higher temperature resistance, and corrosion resistance, thus the film layer enjoys the much longer performance life

Efficient absorption:

The ability of absorbing the ultraviolet ray-visible band by the film layer is expanded, and also it can fully absorb the strongest band of the solar energy, thus the absorption rate of the tube reaches 96 percent.

Strong transmission:

The outside tube used the plasma spray technology, and thus the external transmission rate is 5% promoted.

Higher temperature resistance

The intermittent heat resistance of the film layer is 600 degree and the continuous working temperature can be in 100 degree to 160 degree. The ageing resistance is increased 30% which is helpful to effectively avoid the energy loss.