Connect-Inter Ribbon-Machine welding

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Product Description:

Connect-Inter Ribbon-Machine welding

Product Description
PV Ribbon is composed of coating alloy and copper, and divided into tabbing wire and bus wire.
1.Tabbing wire connects the positive and negative sides of  the solar cells in series
2.Bus wire concentrates cell string into junction box and channels  electrical current

Mechanical Property:

1,Elongation: E-Soft>=20% U-Soft>=25%

2,Tensile strength:>=170MPa

3,Side camber: L<=3mm/m

4,Soldering tin melting point: 180−230°c


Core Copper of TU1 Off-Cu or ETP1:

1,Copper Purity >=99.97%, Oxygen<=10ppm

2,Resistivity:ρ20<=0.017241Ω • m m2/m

Electric Resistivity of Ribbon:

(2.1−2.5)X10-2 • mm2/m

Plated Thickness:

15-25 um per side

Composition of Plated Material:

1)   Lead series products:

A,Sn 60%, Pb 40%

B,Sn 63%, Pb 37%

C,Sn 62%, Pb 36%, Ag 2%

D,Sn 60%, Pb 39.5%, Ag 0.5%

2)    Lead-free series products:

A.Sn 96.5%, Ag 3.5%(Bi)

B.Sn 97%, Ag 3% and so on


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