Solar ribbon for PV modules

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PART1:Introduction:

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.

Busbar Ribbon: it is concentrate the cell stringing into junction box and channels electrical current.

PART2: Special features:

1.    According to customer requirements, we can provide different chemical coating and different sizes of product

2.    Quality warranty :CE and TUV certificate etc.

3.    Ribbon regular compositionCopper base: 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).

4.    Flexible specification could be produced as per customer’s needs: width 4mm, 5 mm, 6mm; thickness 0.15mm-0.3mm.

Technical Characteristics

Lead-type tin-coated copper ribbon

Pass SGS,TUV and UL environment protection test and complies with RoHS directives of the European Union

Copper base material

Adopting imported oxygen-free copper

Copper content≥99.99%

Electric conductivity (normal temperature≥100.2%

Resistance rate of copper base material

Oxygen-free copper ≤0.0165Ωmm2/m

Component of coating

63%Sn37%Pb

60%Sn40%Pb

62%Sn36%Pb2%Ag

Thickness of coating

Double-surface coating 0.02-

Tolerance of thickness

±

Melting point of coating

179-

Tensile strength

150-230 Mpa

Yield strength

70-130 Mpa

Elongation rate

≥20%

Sickle bend

≤0.3%

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