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| Item | Parameters |
| About PV Ribbon: | PV ribbon is composed of Copper and coating alloys, and divided into Tabbing Ribbon and Bus bar ribbon. •Tabbing Ribbon: it is commonly connects the positive and negative sides of the cells in series. •Bus bar Ribbon: it is concentrate the cell stringing into junction box and channels electrical curren |
| Basis brasses | oxygen –free copper wire planish ,Contain copper quantity ≥99.95%,conductivity ≥100%. |
| Basis brasses electrical resistivity | electrical resistivity: oxygen-free copper ≤0.0165Ωmm2/m,T2 copper ≤0.0172Ωmm2/m |
| Solder tin component | 63%Sn37%Pb,60%Sn40%Pb(TM-A), 96.5Sn3.0%Ag0.5%Cu,99%Sn1%Ag(TM-B), 62%Sn36%Pb2%Ag (TM-C) |
| Solder tin melting point | 179-217°C |
| Tensile strength | ≥200N/mm2 |
| Extensibility | ≥25% |
