This powder is specially formulated to develop latent prints on oily vending machine coin boxes or galvanized surfaces (window and door flushings, drain pipes, gutters, trash cans). This is recommended over smoking prints with camphor or magnesium, which is time consuming, difficult and hazardous.
developed prints from galvanized coin box.
NOTE: All Latent Print Powders are packaged with desiccant capsules for storing extended periods of time (+12 mo.) without moisture contamination.