heating pipe

heating pipe,Solar tube by Glass Material of solar tube is Borosilicate glass,Graded AL-N/AL Solar Selective Absorbing Coating.
heating pipe
Solar tube by Borosilicate Glass,Size: 58x1800mm blue-black or red

1, Glass Material: Borosilicate Glass
2, Size: 58x1800mm blue-black or red with heat pipe
3, Construction: Graded AL-N/AL Solar Selective Absorbing Coating
4, Absorbance : More than 93%
5, Emittance: Less than 6%
6, Vacuum : less than 5x10-3 PA
7, Stagnation Parameter: -280m2C/KW