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  #11  
Old 02-25-2007
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Just to back up what hellosailor relayed. Most commercial tanks carrying either acid or high alkalinity liquids are epoxy coated. Obviously the specific epoxy used is the issue.
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Thanks everyone for the advice. The wood doesnt seem to be damaged, just was wet and the paint disolved. i have already given it a bicarb bath and will repeat it before i am finished. I think i caught it in time. The system i am dealing with is a battery bank of 6 volt batteries with a solar pannel and wind generator. there is a regulator and has a led light on it which is lit (i assume this means it is working) How would i check the regulator to see if it is working properly. If anything i would think this is the cause of the overcharge. I have inspected the batteries and there is no crack or leak.
I like the neoprine idea. Seems like an easy fix. My question now is "is neoprine really acid proof?" just confirming because i was unaware of this.
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  #13  
Old 02-25-2007
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verify voltage output controlled by regulator to determine if it is adjusted properly.

Neoprene is resistant to battery acid.
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Old 02-25-2007
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Battery acid is sulfuric acid. According to what I've seen neoprene is only resistant to sulfuric for short periods of time, the Canadians use 4 hours and some US sites cite 8 hours. Neoprene is always listed as resistant, not proof, against inorganic acids. Since a hidden leak in the battery compartment will most likely no be noticed for days at best, neoprene is not a good solution.

Canadian OSHA page on sulfuric acid
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Egad, Canadian OSHA. This doesn't sound hopeful.
How about removing the batteries to a place where you can use battery boxes?
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Quote:
Originally Posted by Zanshin
Battery acid is sulfuric acid. According to what I've seen neoprene is only resistant to sulfuric for short periods of time, the Canadians use 4 hours and some US sites cite 8 hours. Neoprene is always listed as resistant, not proof, against inorganic acids. Since a hidden leak in the battery compartment will most likely no be noticed for days at best, neoprene is not a good solution.

Canadian OSHA page on sulfuric acid
this link is for surfuric acid. Although battery fluid in a wet call contains surfuric acid, it is diluted sufficiently so as to be much less corrosive to neoprene, or anything else for that matter, than concentrated acid.
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You are correct, battery acid has a specific gravity of 1.25 (pure sulfuric acid is 1.8), and is about a 20% solution. I checked one university site that had 8 hours for neoprene gloves with a 25% solution. I think I'd rather choose something else for the battery compartment.
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Old 02-28-2007
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moving them to another compartment will be a costly task. Not an option. basically just wanted to acid proof the compartment with epoxie or paint or a material
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For the proper epoxy, get out of the marine field and call up a supplier of industrial coatings.
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