SSI Solar collector tubes

Borosilicate glass tubes;
High efficiency and reasonable;
High heat resistance;
Low heat loss.
mateial
borosilicate glass tubes
size
58*1800mm
estimated lift span
15+years
manifold header pipe
TP2 copper diameter of 38mm,thickness 1.0mm
frame
power coated galvanized metal
insulation
rock wool
Material:high borosilicate 3.3 glass;
Thickness:1.6mm/2.0mm
Length(mm):1800
Outer Diameter (mm):47/58/70
Inner Diameter (mm):37/47/58.