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Bi Fingerprint Powder Grey 50 gram

Bi Fingerprint Powder Grey 50 gram

  • Product Code: TFP0115
  • Availability: 50
  • £6.50

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Bi- powder has the remarkable properties of appearing black when dusted on a light coloured surface and appearing silver when dusted on a dark coloured surface. You can use the same Zephyr® fiberglass brush and Bi powder for 90 percent of your dusting requirements at crime scenes. The greatest advantage of using Bi powder is that the lifted prints will be black when placed on a white backing card. This eliminates the bother of comparing latent prints with light-coloured 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. There is no need for black backing cards with Bi powder

Also known as 2 tonne, duel or bio chromatic