Indelible ink for election
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1)indelible ink ,specially ink for election
2)we can make as customers' different requirments
3)can't be fade in 72hours
1)indelible ink ,specially ink for election
2)we can make as customers' different requirments
3)can't be fade in 72hoursthe
This indelible ink is also called silver nitrate ink,since it can't be washed by water ,it mostly yo 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 .