Low yield strength solar soldering tab ribbon wire for solar cell

Specifications

1. Base copper TU1 Cu purity >99.95%
2TUV ISO9001
3.Low soldering melting point
4.Low Yield strength<70MPa

 

 

Mchaniceal Property:

 

1,Elongation: E-Soft≥20% U-Soft≥15%

 

2,Tensile strength:≥170MPa

 

3,Side camber: L≤7mm/1000mm

 

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

 

 

Electrical Resistivity of Copper:

 

TU1≤0.0618 Ω • m m2/m; T2≤0.01724 Ω•m m2/m

 

 

Core Copper of TU1 Off-Cu :

 

1,Copper Purity 9≥9.97%, Oxygen≤10ppm

 

2,Resistivity:ρ20≤0.017241Ω • m m2/m 

 

 

Electrical Resistivity of Ribbon:

(2.1−2.5)X10-2 • mm2/m

 

 

Plated Thickness:

15-25um per side

 

Composition of Plated Material:

1) Lead series products:

A,Sn 60%, Pb 40%

B,Sn 60%, Bi40%

C.Sn 50%, Bi50%

 

D,Sn 62%, Pb 36%, Ag 2%

 

E,Sn 50%, Bi48%, Ag 2%

 

F.Sn 60%, Bi38%, Ag 2%

 

2) Lead-free series products:

 

A.Sn 96.5%, Ag 3.5%(Bi)

 

B.Sn 97%, Ag 3% and so on

 

 

 

 

 1  4.5kg per spool with vaccum package. 4 spools a carton box with shockproof and waterproof for transportation

 2. Cutting packing

 

 

 

  OEM service; Design service; Buyer label offer service

  Baoding Edel Photovoltaic Technology Co.,Ltd is a high-tech enterprise which specializes in PV Ribbon R&D, production and sales. The main products are Tabbing Ribbon, busbar, Aluminium paste, junction box.

 

What is the popular dimension?

Thickness and width for popular items: 0.20X1.5/ 0.20X1.6/ 0.20X1.8/ 0.18X2.0/ 0.20X5.0/ 0.35X5.0/

0.35X6.0mm