Header Tubes Copper tube of Diameter 25.4mm ±0.5mm, Thickness 0.71 mm
Bonding between Fin & Tube Ultrasonic / Laser Welding
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