Sirchie Finger Print Labs.

SMOOTH, NON-POROUS Glass, hard plastic moldings (bare metals are not included) and surfaces treated with paint or varnish. TREATMENT: Powders, Iodine, Small Particle Reagent (SPR) and Cyanoacrylate/fluorescent dyes.

ROUGH, NON-POROUS Rough, textured surfaces and grained plastic moldings. TREATMENT: Small Particle Reagent (SPR) or Cyanoacrylate/ fluorescent dyes. Powders are usually unsuitable on these surfaces.

PAPER AND CARDBOARD Paper and cardboard (including
plaster board) that have not been waxed or plastic coated.
TREATMENT: Iodine, Ninhydrin, DFO, Silver Nitrate or physical developer. (Note: powders are generally insensitive to older fingerprints.)

PLASTIC PACKAGING MATERIAL Polyethylene, polypropylene,
acetate and laminated paper surfaces. TREATMENT: Iodine,
Small Particle Reagent (SPR), Cyanoacrylate/fluorescent dyes and powders. Cyanoacrylate is especially useful on Styrofoam.

SOFT VINYL (PVC), RUBBER and LEATHER Simulated leather and cling film. TREATMENT: Iodine, SPR, Cyanoacrylate and powders.

METAL (UNTREATED) Untreated, bare metal surfaces— not metal surfaces that have been painted or lacquered. TREATMENT: SPR,
powders, Cyanoacrylate/fluorescent dyes and powders.

UNFINISHED WOOD Unfinished wood surfaces that have not been painted or treated. TREATMENT: Ninhydrin.  Use powders on smooth wood and Silver Nitrate or physical developer on light woods.

WAX AND WAXED SURFACES Items made of wax (such as candles) and wax-coated paper, cardboard and wood surfaces. TREATMENT: Nonmetallic powders and Cyanoacrylate/fluorescent dyes.

ADHESIVE-COATED SURFACES Tapes and similar surfaces that are not likely to dissolve in water. TREATMENT: Adhesive side powders.

Smooth, non-porous

Rough, non-porous

Paper and Cardboard

Plastic Packaging

Adhesive side powders