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acid indicating ink

Posted on Fri, 6 Jan 2006 at 15:00



we are trying to print on plastic, so that the ink will indicate if any acid has leaked to the outside of container. Further, when washed with fresh water the ink will return to its original color. Any idea where i can buy such an ink or who would sell such a bottle.

any assistance is greatly appreciated.

sincerely,
peter wolpert
city chemical llc

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