

| Subject: | Re: Ever wonder what's in your fire extinguisher? |
| From: | Matthew Pollard |
| Date: | Wed, 25 Apr 2001 09:42:36 -0700 |
Stu- that ain't baking soda. It is way way way worst- It is ammonia phosphate and or ammonia sulfate. (baking soda is sodium bicarbonate.) That stuff is extreamly corrosive. I would pull out that vacuum cleaner and go through everything that you can find, paying particular attention to the instrument cluster and radio. That stuff will eat up electronics, optics- like those high end laser mirros you have all over the dash- and aluminum. As for CO2 extinguishers- a 10 lbs CO2 extinguisher weights about 40 lbs (that is 10 lbs of CO2). You need about three times more CO2 as compared to the dry chemical ones for the same fire stopping power. Then their is Halon, which is chloro-flouro-carbon (cfc :-( that weights less than the dry chemical ones for the same stopping power. If you have combustable metals (magnesium, titantium, etc) then you need a class D extinguisher- those are huge (like 10"x30") and weight about 75lbs for the same stopping power.... but chicks dig big fire extinguishers. Personally, i stick with dry chemical because when my engine is on fire i don't give a damn about corrosion! By the way, why didn't you have a trigger lock on your extinguisher? Doooohhhh! -Matthew Matthew Pollard http://www.uidaho.edu/~poll7356 Dept. of Chemistry http://www.chem.uidaho.edu University of Idaho http://www.uidaho.edu On Wed, 25 Apr 2001, Stuart MacMillan wrote: > Well, I know now! I was loading a long, heavy piece of metal into the > old workhorse last weekend and managed to hit the button on the fire > extinguisher dead square. Before I could get it stopped, the entire > front passenger area was coated with a layer of baking soda! These > little buggers really put out an amazing amount of stuff in a short > time. > > Oh, well, the van needed a good cleaning anyway. > > I wonder if they may CO2 extinguishers that size? > --
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