Introduction
PV Soldering Ribbon acts as connecting between solar cells and collecting the current from solar cell string .The former is called as junction bar， the later is called as conflux bar . The electricity generating from solar module is conducted into junction box through them that are encapsulated in solar module. Our product is used in module factories, whose parameters are as same quality as foreign relative products, which had been proved by state-authority organization.
Parameters
Index |
Junction bar |
Conflux bar |
Base copper |
Rolled copper |
T2 copper |
Copper content |
99.90% |
99.99% |
Resistivity |
≤0.0165Ωmm2/m |
≤0.0172Ωmm2/m |
Coating content |
60％Sn40％Pb |
60％Sn40％Pb |
Coating melting point |
180℃ |
180℃ |
Coating thickness |
≥0.02mm |
≥0.02mm |
Elongation |
Soft ≥20％ half soft 15％ |
Soft ≥20％ half soft 15％ |
Tensile strength |
Soft ≥20kg/mm2 ，half soft≥25kg/mm2 |
Soft ≥20kg/mm2 ，half soft≥25kg/mm2 |
Tolerance of width |
±0.1mm |
±0.2mm |
Tolerance of thickness |
±0.01mm—±0.02mm |
±0.01mm—±0.02mm |
Specifications
1．Junction bar (Re-Order No. SS/PV/SR-1):
*Thickness (mm): 0.1 - 0.2
*Width (mm): 0.8 - 2
*Packing: reel or spool in container
2．Junction bar (Re-Order No.SS/PV/SR-2):
*Thickness(mm): 0.1 - 0.2
*Width (mm): 4 - 6
*Packing: reel in container
Note:
The sizes of thickness ， width，weight per reel or spool and coating material shall be in accordance with the users’ confirmation.
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