PV Ribbon
PV Ribbon
  • Product Name : PV Ribbon
Description
During our more than 30 years serving in solder materials with solid R&D and total solution capabilities, Solarjoin delivers the best quality of PV Ribbon and Flux to meet your high reliability requirements.

BASE METAL OPTIONS of PV Ribbon:

  • Basic Material Copper Content: ≧ 99.90%
  • Base Copper Conductivity: ≧99% IACs
  • Tensile Strength: ≦ 25kgf/mm²
  • Elongation: ≧25% (copper width < 3mm)
    ≧15% (copper width≧3mm)
  • Bare Copper Flat Wire Thickness Tolerances: ±10% of the nominal thickness
  • Bare Copper Flat Wire Width Tolerances:±0.1mm
Solarjoint
http://www.solarjoin.com/
SOLDER COATING OPTIONS:
  •  Solder Composition in wt%: Sn63/Pb37 ; Sn62/Pb36/Ag2 ; Sn96.5/Ag3/Cu0.5
  •  Melting Point of Solder: 183℃;179℃;217℃
  •  Thickness of Single Solder Layer: 10~40μm(Depends on customer requirements)
  •  Storing on all Solder Coated Ribbons is 12 months
SM-821 FLUX TECHNICAL SPECIFICATION

Item

Result

Appearance

Transparent to Light Yellow Liquid

Specific Gravity (25℃)

0.805± 0.012

Acid Number (mg KOH/g)

24 ± 6

Solids Content (%)

4.2 ± 0.6

* Storage & Indication: 6 months after manufacturing. Store in cool place and tighten the cap. Do not expose to sunlight or close to heat source.
FLUX

Solarjoin produces the most popular specified ribbon into markets and still provides special ribbon sizes depending on customer requests. Ribbon sizes are based on the bare sizes below.
Type Width(mm) Thickness(mm) Solder Alloy
Sn63/Pb37 Sn62/Pb36/Ag2 Sn96.5/Ag3/Cu0.5
For solar cells interconnection (Cell/String Ribbon) 1.6 0.12
0.15
0.16
2.0 0.127
0.15
0.16
0.20
For solar tab interconnection (Bus Ribbon) 5.0 0.20
0.30
6.0 0.20
0.30
*Other solder compositions, width or thickness of PV ribbon are also available.

Packaging Type:

Number

D1
(mm)

D2
(mm)

D3
(mm)

D4
(mm)

L1
(mm)

L2
(mm)

L3
(mm)

Material

1

160

90

20

-

114

90

-

ABS

2

405

170

100

15

30

35

-

Pulp




 
Specification
Inspection Equipment (Cont’)
Peeling Strength :

  • Copper Size:2.0x0.15mm
  • Coating Thickness:15±5μm
  • Solder:Sn62Pb36Ag2
Pictures show the peeling strength of TL2-20150-A on 6” solar cell Excellent peeling performance provided by Solarjoin PV ribbon.

  • Copper Size:2.0x0.20mm
  • Coating Thickness:20±5μm
  • Solder:Sn62Pb36Ag2
Pictures show the peeling strength of TL2-20200-B on 6” solar cell is larger than 300gf.

Yield Stress & Elongation :
Yield Stress & Elongation
2.0x0.15mm Copper Wire
Yield Stress - 2.37kgf/mm2
TL2-20150-A Ribbon
Yield Stress –3.43kgf/mm2
2.0x0.20mm Copper Wire
Yield Stress -2.32kgf/mm2
TL2-20200-B Ribbon
Yield Stress – 3.63kgf/mm2