الوصف

Core Copper :                     Oxygen free Copper TU1, Copper Purity≥*9.*7% 

Electrical resistivity ï¼š   ≤0.**5Ωmm²/m 

Coating Component：   *6.5%Sn & 3.0%Ag& 0.5%Cu ,  *6.5%Sn & 3.5Ag(Optional) 

Solder Tin Melting Point:  **0℃ ~**0℃ 

Coating Thickness：     One side coating 0.*1 ~ 0.*3mm, with surface bright and smooth 

Width Tolerance :               ±0.*5mm 

Thickness Tolerance：

Tabbing Ribbon：        0.**8mm ~ 0.**5mm

Bussing Ribbon ï¼š        0.*2 mm ~ 0.*1mm 

Tabbing Ribbon Yield Strength：≤*0Mpa 

Elongation：

Tabbing Ribbon（Interconnect）：≥*0%

Bussing Ribbon ï¼ˆBus Bar ï¼‰ï¼š≥*5% 

Tensile Strength：

The tensile strength of welded PV Ribbon＞5N/mm

The tensile strength between PV Ribbon and Solar Cell surface ï¼ž3N/mm 

Test Performance:

*- After the wet & freezing test, there is no bubble, surface discoloration and fracture on the ribbon.

 

*- After the damp & heat test, there is no reaction, rust, discoloration or other phenomena between EVA and backplane.

 

*- In the hot plate test, there is no color change or other reaction in 1 minute in **0℃ environment.