Solar cell soldering ribbon
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 current.
Features and Applications:
The item (tin coated copper welding ribbon) is based on size of Width*Thickness: 1.5*0.2 mm (it also can be 1.5-2.5mm * 0.08-0.25mm as your option),
sale as per lot, 2kgs/lot.
if you want buy more or less quantity, pls contact us, we will correct the price and freight cost for you.
1) welding ribbon for big power solar panel:
| Copper base | electrician Park copper (TR line) rolling or T2 copper tape slitting |
| Copper substrate resistivity | ρ ≤ 0.0172Ωmm2 / m |
| Solder Composition | 62% Sn36% Pb2% Ag; 60% Sn40% Pb; 96.5% Sn3.5% Ag (Bi optional) |
| The thickness of the tin layer | 10μm-40μm, sided uniform |
| Thickness deviation | ≤ 0.008 |
| Width deviation | the rolled products ≤ 0.1mm; slitting Commodities ≤ 0.005mm |
| Elongation | the soft state ≥ 20%; semi-soft state ≥ 15% |
| Specifications | width 1.5mm-2.5mm; thickness 0.08mm-0.25mm. (here is 1.5*0.2 mm) |
| Packaging | cardboard, " I shape" wheel, box |
| Suitable for DIY solar cell and solar panel, also suitable for machine automatic welding middle without decapitation; crop for customers Length carton packaging | |
2) 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 |
| Packaging | cardboard, " I shape" wheel, box |
3) Bus-bar for big power solar panel:
| Copper base | T2 copper tabe slitting |
| Copper substrate resistivity | ρ ≤ 0.0172Ωmm2 / m |
| Solder composition | 62% Sn36% Pb2% Ag; 60% Sn40% Pb; 96.5% Sn3.5% Ag (Bi optional) |
| The thickness of the tin layer | 10μm-40μm, sided uniform |
| Thickness deviation | ≤ 0.008 |
| Width deviation | ≤ 0.005mm |
| Elongation | the soft state ≥ 20%; semi-soft state ≥ 15% |
| Product specifications | width 4mm, 5 mm, 6mm; thickness 0.15mm-0.3mm |
| Package | cardboard, " I shape" wheel, box |


| NO. | Item | Testing standard |
| 1 | Metal content | Coating: Sn60/Pb40 |
| 2 | Basic material appearance | Light mental appearance; without |
| 3 | Size | Basic material thickness:±0.005mm |
| 4 | Ribbon elongation | ≥22% |
| 5 | Strength of extension | ≥150Mpa |
| 6 | Resistance value | ≤0.0265mmΩ/m2 |
| 7 | Test temperature | 22℃ |
| 8 | Camber | 1m≤5mm |
| 9 | Solderability | Use the 50w soldering iron solder the bus |
| 10 | Ribbon appearance | The appearance looks smoothly, no |
| Holly Song
NANTONG REOO TECHNOLOGY CO.,LTD. Add: Chennan industrial park, Rudong, Jiangsu, China Zip.226400 Mobile number: +86 187 5282 7203 Tel: +86 513 8410 5399 Fax: +86 513 8410 5505 Skype: reooholly What'App: +0086 187 5282 7203 |
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