solar collector tube

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