Character:It is the new developed products of our group adding the new type dispersant DPF.So it is better than
the indigo blue granular. It has a good moisture ability and the color rate is higher than the original coloring matter by 10-15%.It greatly reduces the production cost for the less use of coloring matter.It dissolves in short time,saving both time and rongalite,sodium hydroxide. It is also more colourful,brighter.It reduces pollution for less dust and has the style of environmental protection.
