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Author Topic: Devcon 14300 Plastic Welder  (Read 548 times)

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Offline KilliansRedLeo

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Devcon 14300 Plastic Welder
« on: October 10, 2014, 09:57:25 am »
I have a HVA/Partner cut-off saw here that has a fuel leak in the tank. It is in an odd place, right at the bottom of the translucent fuel level window. Was talking to a Yamaha PWC mechanic who told me that they have been using Devcon 14300 Plastic Welder to seal leaks in the plastic fuel tanks with great success.

Got a package $14.00 and am going to try it, report back later. Anyone have any experience with this stuff? I'm also wondering if it could be used to repair stripped screw holes in fuel tanks.
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Offline 660magnum

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Re: Devcon 14300 Plastic Welder
« Reply #1 on: October 10, 2014, 10:42:41 am »
I'm anxious to see if the Devcon works for typically, nothing will stick to polypropylene type plastics?
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Offline KilliansRedLeo

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Re: Devcon 14300 Plastic Welder
« Reply #2 on: October 10, 2014, 12:52:03 pm »
I agree Jim, but I've got it on there now so we will see. Given the nature of the stuff, I haven't got much hope for it, Devcon says nothing about polypropylene.
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Offline 660magnum

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Re: Devcon 14300 Plastic Welder
« Reply #3 on: October 10, 2014, 01:06:23 pm »
I worked for GE the majority of my working life and there were a couple guys at that facility that stick welded polypropylene often. We also had some process devices that were stick weld fabricated of polypropylene sheet. UHMW and polypropylene sheets (white nylon) may be different from injection molded polypropylene?
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Offline Cut4fun

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Re: Devcon 14300 Plastic Welder
« Reply #4 on: October 10, 2014, 01:26:07 pm »
Never used but wanting to see how it turns out.

 I still just use seal-all on plastic tank leaks. Never had a return yet.
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Offline farmboy

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Re: Devcon 14300 Plastic Welder
« Reply #5 on: October 10, 2014, 10:36:15 pm »
I've read the Devcon works good don't know personally.
Shep
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Offline KilliansRedLeo

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Re: Devcon 14300 Plastic Welder
« Reply #6 on: October 11, 2014, 04:12:47 am »
Well it has been on there 6 of the 16 hour full cure time, can't peel it off and it is not leaking so far. Will run it a little and see if it leaks, report back.
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Offline KilliansRedLeo

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Re: Devcon 14300 Plastic Welder
« Reply #7 on: October 14, 2014, 09:59:20 am »
So far so good! Used the saw most of the day yesterday cutting cookies off a large 8 inch pipe to use as rollers under a truck body a friend uses for storage at his business. Not a leak, and the stuff is not peeling off which is what I expected to happen. The stuff was used externally to seal a weep around the fuel level window on a Partner K-750. I think 'Seal-All' would have done the same thing for less money.
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Offline 660magnum

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Re: Devcon 14300 Plastic Welder
« Reply #8 on: October 14, 2014, 10:27:51 am »
Good so far
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Offline KilliansRedLeo

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Re: Devcon 14300 Plastic Welder
« Reply #9 on: October 14, 2014, 08:43:26 pm »
Yes, Jim, however the Devcon is 15-20$ and Seal-All is around 7$.
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