all glass solar vacuum tube

7.       Certificate: CE,CCC,ISO9001,ISO14001

6.       Ideal heat collection efficiency in extreme cold water, with hot water available at a temperature of -30

5.       Unique super pure copper surface, allowing lower reflection and minimal heat loss

4.       Incorporating three layer interference coating technology

3.       Unique three-layer against degeneration, color feeding or performance degeneration due to exposure the empty vacuum tube under the sun over time, extending the life of the product

2.       Unique three-layer(stainless steel/red copper/aluminum), allowing high temperature endurance and preventing peeling off even when the glass gets waxy degeneration

1.       Unique three-layer absorption technology

Specification:

3)      Can be used for house heating

2)      15 years warranty for tubes

1)      SS-C/CU coating vacuum tube

Solar vacuum tubes advantage:

        2, Sample: Special packing

Package: 1, Full container: standard export carton(foam + carton)

Solar vacuum tube

all glass solar vacuum tube
1)material:borosilicate 3.3 glass
2)high quality;
3)Strong heat collection;
4)warranty 15years