Silver Grey Magnetic Powder Magnetic latent print powders are similar in appearance to standard powders, but they contain iron so that they will adhere to a magnet. When a magnetic powder applicator is dipped into the jar of magnetic powder, the powder gathers around the magnetic end of the applicator and it becomes a “brush.”
When dusting is complete, hold the applicator over the jar, and a short pull on the top end will lift the magnet, allowing the powder to drop back into the jar. For this reason, very little powder is wasted
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