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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
Hard glass solar vacuum tube
Product Detailed
Related Categories:Solar Water Heater Parts
Related Product Searches:Hard glass solar vacuum tube,High Quality,vacuum glass tubes for solar water heater, vacuum solar tube small,SFVT-58-2000
1.certificates:solar keymark,CE,SRCC,SGS,CCC
2.competitive price and good quality
3.Material:High borosilicate 3.3 glass.
Related Product Searches:Hard glass solar vacuum tube,High Quality,vacuum glass tubes for solar water heater, vacuum solar tube small,SFVT-58-2000
Specification of solar vacuum tube:
The marerial of glass tube: hard borosilicate :3.3
The thickness of inner and outer tube of:1.6mm
Absorption coefficient: more 88%
Absorptive coating :high efficient heat absorptive selective coating:
AL-N/AL
Emission coefficient:less 10%(8%)
Evacuated :less5*10-3pa
Stagnation temperature: more 220 degrees celsius
Hail resistance: 25mm
Freezing resistance:-35 degree celsius
Hard glass solar vacuum tube
