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Old 10-28-2006, 08:40 AM   #1
Streetfighter
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Joined: Dec 2005
From: Bellevue, WA

I Ride: all styles.
Plastic welding vs. JB Weld
What are the advantages/disadvantages of plastic welding versus JB Weld on a "bullet"-style mounting tab?

Here's a picture of what broke:

Mechanical & Technical

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Old 10-28-2006, 09:40 AM   #2
JTR
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From: Ames Lake

I Ride: Yamdalarisosaki's w/ a nos!
You might possibly be able to get away w/ using Plasti-weld, I've found the stuff in the black dispenser(sp) to be stronger than that in the clear dispenser

Im thinking it might bond a little better due to the chemical reaction ,than the JB

I know theres a guy on CF that can weld plastic (Lauralynn's ol' man or??)

good luck to you w/ it

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Old 10-28-2006, 09:41 AM   #3
Track School Dazed
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JB is more accurate, for this job. It can be applied excatly where ya want it, in this case, an interferance fit, must be close to perfect.

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Old 10-28-2006, 10:00 AM   #4
Superbiker
 
Joined: Mar 2005
From: Brooklyn, NY

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They are both right but I would plastic weld it. Plastic weld will make one solid piece rather than jb weld adhering two pieces together. If you do jb weld it rough the shit out of the surrounding area and apply widely to give it something to grip to.

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Old 10-28-2006, 12:12 PM   #5
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From: seattle

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i was told by a very experienced mechanic that plastic welded my fairings that plastic welding mounting tabs isn't the best idea. He suggested JB weld. I forget why...

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Old 10-28-2006, 12:30 PM   #6
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From: medford, oregon
when i jb weld i get someof the wall repair mesh (4 bucks ) and cut a strip to help with the strengh of the repair

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Old 10-28-2006, 03:06 PM   #7
JTR
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I Ride: Yamdalarisosaki's w/ a nos!
I wasn't awake enough to notice "bullet style" mounting

I'd also opt for JB over Plasti-weld in that sitch

but a actual plastic welder would be best IMO

Soggy... great tip! Im gonna use that 1 next time I need!!

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Old 10-28-2006, 04:36 PM   #8
Streetfighter
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That's three for JB... I'll go that route. Thanks guys!

I'll post a pic of the finished job, in the morning.

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Old 10-28-2006, 06:04 PM   #9
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From: West Richland

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2-part plastic epoxy.

WAY better than "plastic welding" with heat, chemically bonds itself in a way that no other epoxy can beat, and still maintains the original (though small) bit of flexibility.

Get it at Wally World, or just about any auto parts place. Usually comes in a black plastic dual-syringe style. I prefer the Devcon brand, but just about all of them are the same.

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