EFFECTIVE DATE: AUGUST 24, 2005 SUBJECT: Poly-p-phenylene benzobisoxazole (PBO or Zylon®)
The National Institute of Justice (NIJ) hereby advises that it has identified poly-p-phenylene benzobisoxazole (commonly known as PBO or Zylon®) as a material that appears to create a risk of death or serious injury as a result of degraded ballistic performance when used in body armor. This is an NIJ Body Armor Standard Advisory Notice within the meaning of the NIJ 2005 Interim Requirements for Bullet-Resistant Body Armor (effective September 26, 2005).
For Further Information, Contact:
Lance Miller National Law Enforcement and Corrections Technology Center 2277 Research Boulevard Mail Stop 8-J Rockville, MD 20850 (301) 519-5472 E-Mail: lmiller@nlectc.org
Supplementary Information:
Information about NIJ’s 2005 Interim Requirements for Bullet-Resistant Body Armor can be found at http://www.justnet.org. NIJ’s research and testing reports in response to the Attorney General’s Body Armor Safety Initiative can be found at: https://vests.ojp.gov.
NIJ encourages public safety officers to continue to wear their Zylon®-containing armor until it is replaced. Wearing armor that may have degraded ballistic performance is better than not wearing any armor.
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