Solar collector tube adopts the technique of magnetic-control sputtering selective AlNAL absorptive coatings, improve the Heat collecting efficiency , reduce reflectivity. The coating belongs to medial or low Temperature layer. It is uniform, and especially used for compact solar energy water heater.

Select 3.3 high boron-silicon glass tube in according with GB/T2436-99(ISO4803-1978) Standard. It has good performance of cold and heat resistance , high sunlight permeation, and Strong optics stability.

Produce and inspect according to enterprise standard higher than GB/17049-1997 national Standard.

Common specification: 47×1500mm ; 58×1800mm ; 70×2000mm.

Stagnation :230celsius degree

life time :15years