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Permalink Reply by Oldman on April 25, 2008 at 9:05am

I am presuming you are asking about the shelf life, but are you asking about fixed commercial suppression systems or what you carry on your apparatus? For concentrate carried on the apparatus, most manufacturers give a shelf life of a sealed container to be between 20 and 25 years. Protein type concentrates have a shelf life of about 7 to 10 years. You should be able to read the NFPA online free at: www.nfpa.org/aboutthecodes/list_of_codes_and_standards.asp

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Permalink Reply by D.C. Sterbenz on April 25, 2008 at 11:24am

Oldman is absolutly right, you should also consult the manufacturer of your foam and what is there recomendation is but it should mirror nfpa.

P.S. I cannot give you an answer as to regular testing of the product, you gave me something to think about though I am going to go and look at our foam.

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Permalink Reply by lutan1 on April 25, 2008 at 5:28pm

I assume it's this one http://www.nfpa.org/aboutthecodes/AboutTheCodes.asp?DocNum=11 , but you can't read it- you have to buy it, unless I'm looking at it incorrectly...

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