Riser Tubes Copper tube of Diameter 12.7mm ± 0.5 mm, Thickness 0.56 mm
Back Insulation Resin bonded Rock wool of 48kg/m3
Absorber Area 2sq. meter ± 0.2 sq. meter / Collector
Bonding between Fin & Tube Ultrasonic / Laser Welding
Header Tubes Copper tube of Diameter 25.4mm ±0.5mm, Thickness 0.71 mm
Absorber Coating Selectively Coated Continuous Electroplating of Black Chrome over nickel substrate on Electro Grade 99% Pure Copper Sheet with heat treatment to withstand temperature up to 300o c
Bonding Between Riser & Header Brazing
Glazing Toughened glass, Thickness 4mm with low Iron Transitivity> 85% @ near normal incidence