Details
FEATURES
Bi-Chromatic Latent Print Powder, 2 oz.: 1 Powder has the remarkable properties of appearing black when dusted on a light-colored surface and silver when dusted on dark-colored surfaces.: 2 Using a Zephyr Fiberglass Brush and Bi-Chromatic Powder, you can dust up to 90 percent of the surfaces found at most crime scenes.: 3 The greatest advantage of using powder is that the lifted prints will be black when placed on a white backing card.: 4 This eliminates the bother of comparing latent prints with light-colored ridges on a black background against rolled prints with black ridges on a white background. It also means that only white backing cards will be needed.: 5