... ±0.5mmDiameter165±0.5mmThickness200±20umWeight6.7±0.5gFront(-)1.6mm bus bars (Silver)Blue anti-reflecting coating (Silicon nitride)Back (+)3mm wide ... : Sn 62%, Pb 34%, Ag 3%Base Material: oxygen-free copper ( TU1 or CAD-110 or UNS C11000)Length: according to ... for solar panel, like pv ribbon wire (solder tabbing wire, bus wire), flux pens, silicon, junction boxes, solar cable, MC connector ...