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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Gas tank rust
On Tue, 21 May 2002 18:25:22 -0500, "Ronald Thompson"
wrote: I just repaired an old gas tank on a ford van..... So far, so good. Does anyone know what I can use to dissipate the remaining water? I thought of rubbing alcohol, but IIRC it has a high water content to start with. Any ideas? Around here (Southern Ontario) the srug stores sell 99% Isopropyl alcohol as "Rubbing Alcohol," which should do it nicely. The the 70% alcohol / 30% water mix is called "Rubbing Alcohol Compound." I'm definitely not a chemist, but the presence of alcohol usually accompanies corrosion. "The alcohol attracts water, leading to increased corrosion in metal gas tanks". (its a quote commonly found on the internet) |
#2
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Gas tank rust
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#3
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Gas tank rust
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#4
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Gas tank rust
John B. wrote:
On Thu, 8 Dec 2016 15:11:55 -0800 (PST), wrote: On Tue, 21 May 2002 18:25:22 -0500, "Ronald Thompson" wrote: Around here (Southern Ontario) the srug stores sell 99% Isopropyl alcohol as "Rubbing Alcohol," which should do it nicely. The the 70% alcohol / 30% water mix is called "Rubbing Alcohol Compound." I'm definitely not a chemist, but the presence of alcohol usually accompanies corrosion. "The alcohol attracts water, leading to increased corrosion in metal gas tanks". (its a quote commonly found on the internet) They used to sell some stuff called "dry gas" to remove water from automotive fuel tanks. It was simply alcohol. The alcohol mixes with the water which makes a combustible mixture and is burned by the engine. In fact the gasoline/alcohol fuel blends will absorb some water normally. Before the water leaves the tank, I guess the rust or other debris from any corrosion remains. |
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