CSI20-50 NMP base conductive paste Solid content:5.75±0.20 % CNT content:5.00±0.15 % CNT Average Diameter: 10-15nm Dispersant content: 0.75±0.05% Fe:≤350 ppm Co:≤5 ppm Others:Ni, Cr, Cu, Zn≤5 each ppm