Product Details

Product Description

solar cell tab ribbon /bus bar

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≥25%

2,Tensile strength≥170MPa

3,Side camber≤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:ρ_20≤0.0172Ω • m m²/m

Electric 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 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

Tabbing wire specification

Bus wire specification

Packaging & Shipping

1.4 .5kg per spool with vacuum film, 4 or 6 spools in a carton box with dustproof &waterproof and shockproof for long transportation. 2.Cutting packing

FAQ

1. What is the popular dimension PV Ribbon wire?

Thickness and width for popular items: 0.23X1.5/ 0.23X1.6/ 0.20X1.8/ 0.18X2.0/ 0.2X5.0/ 0.29X6.0mm

2. Storage Conditions and Shelf Life

PV ribbon should be stored in dry and ventilated room, where sholud be no acid, alkali, or harmful gas and the indoor relative humidity should not exceed 60%. Place it horizotally while stacking and avoid the carton extrusion, meanwhile, the stacking quantity of same product should not exceed five layers or 1 ton. The shelf life can be up to 6 months since the production date.