Brazing & Soldering of Solar Panels

• Tube on the deflector • Soldering process: • Solder • Heat source: • Furnace • Wave soldering • Filler metal: • Paste • Wire feeder + flux

• Brazing of the tubes onto the foil (Harp or serpentin) • Brazing process: • Brazing (above 450°C) • Filler metal: • Copper Phosphor • A 2004 (L-CuP6) • A 3018 (L-Ag18P)

• Solder Pastes • AP 638/26

(S-SnCu1)

• AP 638/26 N

(S-SnCu3)

• CuP Filler metal • Rods • Wire • Preforms • Paste Member of the BÖHLER-UDDEHOLM Group

Tin - copper soderpaste, containing flux DIN EN 29453 DIN EN 29454 (Flux) DIN 8511 (Flux) Composition (%) Application Properties Technical data Heat source Storage

S-Sn 99 Cu 1, Alloy Nr. 23 1.1.2 C F - SW 26 Cu Pb Bi Sn 0,85