nomex coveralls for the occasional job that needed them, but now they want this chemical laden stuff on the guys every day! I have asked at my fire department, which I just left being an active volunteer firefighter last spring, but they didn't know about the hazards of this stuff.
Bright Blessings, Kim
At 12:57 PM 1/24/2005, you wrote:
Kim, This is not the final answer but hopes this helps: My buddies and I worked as fire supression support personnel for the US Forest Service. For our clothing, Nomex and Proban were the two dominate treatments for clothing. We always wore protective clothing under the fire retardant clothing. See below for weblinks: If you call Westec, I believe they will inform you that Proban is the treatment compound used in their Indura products. Proban is the commercial name for treatment composed of a compound called "BIS[TETRAKIS(HYDROXYMETHYL)PHOSPHONIUM] SULFATE" Below are weblinks that may help you: http://www.westexinc.com/indura_ultra_soft.htm = commercial information on the product http://www.inchem.org/documents/ehc/ehc/ehc218.htm = ...United Nations report http://www.rhodia-proban.com/press%20releases/PROBAN%20remains%20available.pdf#search='on%20tetrakis%20(hydroxymethyl)%20phosphonium%20compounds' = the actual manufacturer of the compounds http://www.directworkwear.com/ProbanInduraCoveralls.htm = The Essential difference between Proban and Indura is that Proban<<Fr-7A a products are certified by WESTEX a to retain their original flame resistance for 50 home washes or 25 industrial washes. Indura FR garments are permanently treated for the life of the garments durability. http://www.chemicalland21.com/arokorhi/specialtychem/finechem/BIS[TETRAKIS%28HYDROXYMETHYL%29PHOSPHONIUM]%20SULFATE.htm = a comprehensive overview from a chemical engineering point of view http://www.nap.edu/books/0309070473/html/417.html = easier to understand overview My buddy is a deputy fire marshal and I can ask him too. Also there is a movment in the Forest practices to use "inert" Borax powders as fire retardants instead of the bromides/ammonia which converts to volatile toxic compounds based fire retardants. See: http://www.fseee.org/projects/firecomplaint.htm
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