| welding ribbon for epoxy solar panel etc. mini solar panel: |
| Copper base | electrician the Park copper (TR line) rolling |
| Copper substrate resistivity | ρ ≤ 0.0172Ωmm2 / m |
| Solder Composition | 98% Sn2% Ag (Bi optional) |
| The thickness of the tin layer | 10μm-20μm, sided uniform |
| Thickness deviation | ≤ 0.008 |
| Width deviation | rolled products ≤ 0.1mm |
| Elongation | ≥ 10% |
| Specifications | width 0.6mm-1.2mm; thickness 0.08mm-0.13mm |
