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Old 10-06-2004, 01:50 PM   #1
Mokahehteh
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Default Two-part polysulfide for tank repair

One of my customers told me that the Navy and Air Force uses this goop for patching or repairing leaks in aluminum (or other metal) gas and fuel tanks. Has anybody tried this stuff? The only down side I can see is that it has a short (9 month) shelf-life.

I have a little leak on the top of my tank and I'm planning to fix it with this stuff. I'll post my report on how the repair worked. A funny side note: The last time I took the boat out, we made a temporary patch with some lead-putty fishing weight material that a buddy had in his pocket. The patch eventually turned into mush, dissolved and just went away... it was funny, but the gas fumes & smell wasn't. LOL :D

Here's the boat...
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Old 10-06-2004, 01:51 PM   #2
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DANG! Wrong photo!!!
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Old 10-06-2004, 02:25 PM   #3
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LMAO!!!!

Can I come over and go swimming some time?

Just kidding.

I've heard of that stuff before. Its a two part epoxy, isn't it called JB Weld? That stuff is super SUPER strong!
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Old 10-06-2004, 02:29 PM   #4
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No. That's not the stuff. This is a flexible, tough, rubbery-type material with ingredients like (mainly polysulfide), titanium dioxide and a few other weird things. JB weld is an epoxy compound.
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Old 10-06-2004, 02:39 PM   #5
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Yeah, JB Weld isn't felxable.
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Old 10-06-2004, 05:45 PM   #6
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Hey Johnny, have you fixed a tank with JB weld?
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Old 10-06-2004, 05:59 PM   #7
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Actually, I used it on a leak in my paintball gun and it plugged it up great.
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Old 10-06-2004, 06:12 PM   #8
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Did you back it up with a patch or did you just put a blob on the crack or hole?
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Old 10-06-2004, 07:39 PM   #9
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hey!! that's my boat,,LOL!!!!
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Old 10-08-2004, 04:13 PM   #10
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Okay, I patched it. The batch mixed perfectly and the patch came out fine. The stuff cured to a rubbery yet tough consistency. I'm gonna wait a few days and test for leaks (tow the boat around the block and then whiff for fumes) then we're good to go. hopefully.

n-joy, boiz



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Old 10-08-2004, 04:15 PM   #11
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clean, huh?

okay, ok it may not look so nice but hopefully it works ok.
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Old 10-25-2004, 01:11 PM   #12
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REPORT:

I took the boat for a spin and NO LEAKS!!! That stuf is da BOMB! (not literally ) :D

WARNING:

1. Upon close inspection, the fuel filler cap o-ring showed some pretty deep cracks. Water gets in like that. Replaced my old one with nu. Check yours, guys!

2. Primer bulb broken. Not sucking. Again, replaced my old one with nu, check yours before you shove off again...
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Old 10-25-2004, 03:53 PM   #13
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Glad the patch worked! Howe you got them when you went out, I KNOW you didn;t just go on a boat ride.
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Old 10-27-2004, 09:29 AM   #14
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Speaking of gas flow, my friend just got his boat back from the shop (again) and the reason why we couldn't keep the motor started a few weeks ago was cause they reversed the lines after they replaced the hoses. :evil:

Professional? :roll: Not hardly.
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Old 10-27-2004, 10:06 AM   #15
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Dang. Even with a 50/50 chance, all they had to do was squeeze the primer bulb to figure out that they were connected to the breather line or they would have blown bubbles with the breather line cause it was actually the fuel line. Hmmm. Are they hiring? Somebody must got fired there.
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