Black Ink for Ball Pen combines features like fast starting, very less gooping, excellent smoothness and no static-leakage. The Black Ink is designed to offer satisfactory writing quality with all kinds of tips. The Black Ink has a specific gravity of 1.135 ± 0.005 and 7.0 ± 0.5 pH. Black Ink for Ball Pen offers poor amount of light fastness and suitable for photocopy.
