Based on more than 30 years experience in solder materials and completely R&D ability and analysis facilities. Solarjoin deliver best quality PV ribbon and flux to meet your high reliability requirements.
BASE METAL OPTIONS
Basic material copper content: ≧ 99.90% Base copper resistivity: ≦0.0172Ω mm²/m Tensile strength: Dead soft annealed ≧ 20kgf/ mm² ; Half hard ≧ 25 kgf/ mm² Elongation: Dead soft annealed ≧ 20% ; Half hard ≧ 15% Bare copper flat wire thickness tolerances: ± 10% of the nominal thickness Bare copper flat wire width tolerances: ± 0.1mm
SOLDER COATING OPTIONS
Solder composition in wt%: Sn63/Pb37 ; Sn62/Pb36/Ag2 ; Sn96.5/Ag3/Cu0.5 Melting point of solder: 183 ℃ ;179 ℃ ;217 ℃ Thickness of single solder layer: 10~30 μ m(Depends on customer requirement) Shelf life on all solder coated ribbons is 12 months
Solarjoin produces special ribbon sizes according client's needs, however there are several options according most popular market requirements. Mentioned sizes are in according with bare size..
Ribbon Roll size
Flux Specs
