During our more than 30 years serving in solder materials with solid R&D and total solution capabilities, Solarjoin delivers the best quality of PV Ribbon and Flux to meet your high reliability requirements.
 
BASE METAL OPTIONS of PV Ribbon：
Basic Material Copper Content: ≧ 99.90%
Base Copper Conductivity: ≧99% IACs
Tensile Strength: ≦ 25kgf/mm²
Elongation： ≧25% (copper width < 3mm)
≧15% (copper width≧3mm)
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: 10~40μm(Depends on customer requirements)
Storing on all Solder Coated Ribbons is 12 months