Orange Coloured Ink for Ball Pen has a pH level of 5.5 ± 0.5 and is suitable for photocopy. The Orange Coloured Ink is offered with poor light fastness and good wear resistance. The Orange Coloured Ink has a surface tension of 35-40 D/cm². Orange Coloured Ink for Ball Pen that comes under C-Series and HT- 371 version has a specific gravity of 1.12 ± 0.05.
