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Is RTV fuel proof?

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Old 06-17-2003, 09:52 AM
  #1  
daddyOjoe
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Default Is RTV fuel proof?

Can anybody tell me if your average RTV is fuel proof?
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Old 06-17-2003, 10:07 AM
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Default Is RTV fuel proof?

I've used RTV for wing saddles and engine gaskets with up to 25% nitro with no ill effects. I'd say it's fuel proof.
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Old 06-17-2003, 10:30 AM
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Default Is RTV fuel proof?

alot of rtv will soften up when exposed to glow fuel. Not all are made the same. I thought that the stuff that smelled like vinegar was the correct stuff but it softened up too. I believe the silicone based ( if that makes any sense) ones are the right ones.
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Old 06-17-2003, 10:54 AM
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Default Is RTV fuel proof?

I've been using the Red high temp Loctite brand (called Ultra Copper) as thread lock and gasket replacment on engines for years...it's as fuel proof as it gets
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Old 06-17-2003, 11:03 AM
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Default Is RTV fuel proof?

As I have heard from the field, the copper kinds are the best to use. I haven't heard of any probs due to their use.
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Old 06-17-2003, 09:30 PM
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Default Is RTV fuel proof?

Ditto on the high-temp red, it is not affected by glow fuel.
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Old 06-18-2003, 04:48 PM
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Default Is RTV fuel proof?

I thought I read somewhere that the ammonia fumes that vent off the RTV as it cures can cause corrosion on electrical connections. ANyone else read this?
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Old 06-18-2003, 07:06 PM
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Default Is RTV fuel proof?

I think true RTV was developed for the electrical manufacturing industry and is safe to use around electrical components. Most people referring to RTV really mean slicone sealer.

I've used silicone sealer from the home stores - the stuff that says 100% silicone is plenty fule proof.

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Old 06-18-2003, 09:04 PM
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Default RTV Corrosive?

I used it to fill and seal all the butt connectors on my boat electrical wiring. Fill the butt connector with the goop, push the wires in and crimp. It seals all moisture out, and ensoures a good connection. I've never had a problem with any wiring and it still tests impedence well. Definately not bad for electrical components

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Old 06-19-2003, 04:05 PM
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Rodney
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Default Is RTV fuel proof?

Yes, the RTV that has the vinegary smell is very corrosive, especially to electrical components. There is a silicon sealant that is made for electical use though, just be sure of which one you are getting. The average kind you pick up at the local hardware store is corrosive.
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Old 06-19-2003, 04:30 PM
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Default Is RTV fuel proof?

I have used the high temperature red to seal muffler/engine gaps with no ill effects from the fuel.
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