PV Ribbon Technical parameters:
Copper-base:oxygenfree copper under TU1 GB/T2059-2000 standrad
Copper conten=99.99% resistivity=0.0172?mm/?
Soldering tin composition:leaded / lead free
Tin layer thickness:0.02=one side coat=0.03mm
Coat:even coat in sides(thickness according to customer's requirement)
Finished ribbon's elongation=30%
Finished ribbon's resistivity:2.02±0.08
Width tolerance:±0.01 thickness tolerance:±0.005
Bending:=5/1000m
PV Ribbon