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- Contact Person : Mr. gu norman
- Company Name : Haining Aojin Solar Energy Industry Co., Ltd.
- Tel : 86-573-87872010
- Fax : 86-573-87888686
- Address : Zhejiang,haining city,No.3 chang yi road, yuanhua town, haining city
- Country/Region : China
- Zip : 314416
solar vacuum tube
Product Detailed
Related Categories:Solar Water Heater Parts
Related Product Searches:solar vacuum tube,High Quality,solar evacuated tube, open solar vacuum tubes,SFVT-58-1800
1.certificates:solar keymark,CE,SRCC,SGS,CCC
2.competitive price and good quality
3.Material:High borosilicate 3.3 glass.
Related Product Searches:solar vacuum tube,High Quality,solar evacuated tube, open solar vacuum tubes,SFVT-58-1800
Specification of triple target solar evacuated tube:
The marerial of glass tube: hard borosilicate :3.3
The thickness of inner and outer tube of:1.6mm
Absorption coefficient: more than 93%
Absorptive coating :high efficient heat absorptive selective sputtering coating:
SS-C/CU and AL-N/AL
Emission coefficient: less than 10%(8%)
Evacuated : less than 5*10-3pa
Stagnation temperature 220 degree Celsius
Hail resistance 25mm
Freezing resistance -35 degree Celsius
solar vacuum tube
