These Nylon Evidence Bags are designed to hold accelerant and explosive evidence without permeation and they virtually eliminate the potential for cross-contamination from propellant fumes in long-term storage. Nylon doesn’t deteriorate over time from the solvents found in accelerants, which may occur if accelerant items are packaged in plastic bags. Suspect evidence contaminated with accelerant is placed in these clear nylon bags and heat sealed with an Impulse Bag Sealer (completely sealing it), or swan neck and then sealed with a nylon security tie. The nylon bag allows the contents to be viewed without opening the bag.

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