Which Is The Correct Procedure For Collecting And Preserving A Plastic Fingerprint?
Which Is The Correct Procedure For Collecting And Preserving A Plastic Fingerprint? Plastic fingerprints are generally preserved by casting. A liquid material (silicone rubber, plaster, or a metal alloy) is poured over the fingerprint and hardened to make a cast of the impression. The cast is much more durable than the plastic fingerprint and can