China Factory 50ml Indelible Ink 20% Silver Nitrate Election Ink For Election

1) election ink for voting mark,bottle packing ,can't be washed by water

2) Black color is good effect

3) sliver nitrate contending

indelible ink is also called silver nitrate ink,since it can't be washed by water ,it mostly to be used for voting and election,the content of the silver nitrate could be5%,10%,15%,25%.......it can be according to your require,and the more content of silver nitrate contain,the better effect it will be .

Electoral stain is used as a good security feature to prevent double voting in elections.
Ink is normally applied to the left hand index finger, especially to the cuticle where it is
almost impossible to remove quickly. Ink may be applied in a variety of ways, depending
on circumstance and preference.
The most common methods are via dipping bottles with sponge inserts, bottles with a
brush applicators, spray bottles, and marker pens. With all methods the finger should
be left to dry for 15–30 seconds and exposed to light before being cleaned to ensure
the mark remains visible for the desired length of time.