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  #1  
Old 04-18-2017, 09:25 PM
togaflyer togaflyer is offline
 
Join Date: Apr 2013
Location: Punta Gorda, Fl
Posts: 354
Default Tank sealant

I need to order some stuff from Spruce, so Im considering ordering tank sealant in the same order. I do not see the tank sealant Van's has offered by Spruce, but Spruce has Pro Seal, some 3m products etc. Is Pro Seal or other products from Spruce good to use, or should I just order the sealant offered at Van's.
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  #2  
Old 04-18-2017, 09:51 PM
Kyle Boatright Kyle Boatright is offline
 
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Location: Atlanta, GA
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I've always bought the least expensive brand which was advertised as meeting the spec, and have never had a problem.

That said, there are some builders with a brand preference.
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  #3  
Old 04-19-2017, 03:42 AM
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rmartingt rmartingt is offline
 
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One thing to note is, last time I checked anyway, Van's sells sealant by the quart at about the same price Spruce carries the cheapest sealant by the pint. Something to consider.
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  #4  
Old 04-19-2017, 04:59 AM
Tooch Tooch is offline
 
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Default Flamemaster

I just ordered Flamemaster from Sky Geek. Price was better than Aircraft spruce. Have been noticing other thinks better prices from them also.
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  #5  
Old 04-19-2017, 05:08 AM
Kyle Boatright Kyle Boatright is offline
 
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Quote:
Originally Posted by Tooch View Post
I just ordered Flamemaster from Sky Geek. Price was better than Aircraft spruce. Have been noticing other thinks better prices from them also.
Check delivery times from Skygeek. I bought some proseal from them a month ago. Showed XX units available. It took 2 weeks or so to ship. and another couple of days for delivery. I'd have had it in 1/2 the time from Van's, or 1/4 of the time from Spruce.
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  #6  
Old 04-19-2017, 05:21 AM
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Walt Walt is offline
 
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I personally won't use anything but PRC Desoto in fuel tanks.

http://www.aircraftspruce.com/catalog/appages/ps890.php
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  #7  
Old 04-19-2017, 09:35 AM
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az_gila az_gila is offline
 
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Location: 57AZ - NW Tucson area
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Question

Quote:
Originally Posted by Walt View Post
I personally won't use anything but PRC Desoto in fuel tanks.

http://www.aircraftspruce.com/catalog/appages/ps890.php
Why would the PRC Desoto product be any better than any of the other ones available that meet the Mil Spec?

"...Meets requirements of specifications AMS-S-8802 formerly MIL-S-8802..."

Is it historic or familiarity since the PRC product was the first one generally available for RV tank construction?
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  #8  
Old 04-19-2017, 07:55 PM
togaflyer togaflyer is offline
 
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Thanks for the input. I got my order in.
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  #9  
Old 04-20-2017, 04:59 PM
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sglynn sglynn is offline
 
Join Date: Mar 2008
Location: Anacortes, WA
Posts: 491
Default non-tank ProSeal replacement

For places like in the snorkle around the top to make it air tight is there something besides ProSeal that works great? I'd use ProSeal but I need so little and the shelf life is so short it is expensive to use. What about high temp fire wall sealant like 3M-2000? Can I use it in snorkle around the aluminum parts near the top?

Same question for mounting stuff on or thru the firewall. Does firewall sealant act like an adhesive like ProSeal?

thanks
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  #10  
Old 04-20-2017, 05:19 PM
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Sam Buchanan Sam Buchanan is offline
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Join Date: Dec 2004
Location: North Alabama
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Quote:
Originally Posted by sglynn View Post
For places like in the snorkle around the top to make it air tight is there something besides ProSeal that works great? I'd use ProSeal but I need so little and the shelf life is so short it is expensive to use. What about high temp fire wall sealant like 3M-2000? Can I use it in snorkle around the aluminum parts near the top?

Same question for mounting stuff on or thru the firewall. Does firewall sealant act like an adhesive like ProSeal?

thanks
Fresh, in-date sealant is certainly the best way to go for sealing RV fuel tanks.

However, "pro-seal" remains a very aggressive adhesive for odd jobs for many years if stored in a refrigerator. I have leftover Pro-Seal (may be Flame Master) in the frig at the hangar that is nearly ten years old and I still use it as an adhesive with excellent results. Using the left-over quart kit has been much more convenient for various glue jobs than buying a new batch every time one of these tasks arise. I used it last summer to seal up some oil leaks on an old O-200 and that engine is practically leak free now.
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Last edited by Sam Buchanan : 04-20-2017 at 05:22 PM.
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