Plastic "weld" kit? - Kawasaki KLR 650 Forum
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post #1 of 12 Old 12-11-2012, 03:05 PM Thread Starter
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Plastic "weld" kit?

I recently broke the rear brake lens mount on another ride. I could order a new one ($$) but I thought I'd see if I could "weld" it first. I would think it would be just as good as new and you won't see any of the cracks once mounted.
Does JB make something for plastic, or what do you advise?
Thanks

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post #2 of 12 Old 12-11-2012, 04:44 PM
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BlueMagic (they make quicksteel puttys) I used their plastic putty to bond heatshield to some roughed up ABS. It worked great. If I remember correctly their products start with the letters "RC" followed by a number. I have tried JB Weld with plastics and it wasn't the greatest result even with the ones said compatible with plastics. Wish I could send a pic, but just checked my garage and am out. Glad Forthe reminder to stock some more. Good luck!


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post #3 of 12 Old 12-11-2012, 07:55 PM
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Plastic Repair

Haven't used it but looks good. FWIW
http://www.plastex.net/Home_Page.php

I have repaired a lot of plastic stuff with plastic repair stuff from my local auto supply store. ( Best if that store supplies auto body shops. )

Groove the split and rough up surface under the repair compound.
Sometimes you can stiffen up the joint with some kind of splint material.
i've used thin aluminum sheet. Use sand paper to roughen up "all" surfaces to be joined.

I've also used ordinary fiberglass body patch on back side of the plastic.
( Not good for surfaces showing but will stiffen up panels etc. )

Here's some info on repairing bike panels... http://www.powers31.info/tips_maint.htm ( Scroll to last item on page.)

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post #4 of 12 Old 12-11-2012, 11:55 PM
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I've used this stuff with good success:

http://www.homedepot.com/buy/loctite...l#.UMgcQ3dQM3M



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post #5 of 12 Old 12-12-2012, 08:46 AM
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i had a gas tank that was cracked. Found a body shop with a plastic welder. they did the job, though it did weap alittle but worked good enough for my purposes.
Something like a shroud could be welded up with super results I'm sure.
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post #6 of 12 Old 12-12-2012, 09:24 AM
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You could always go all out and pick up one of these. You know you're eventually going to need it again........

http://www.northerntool.com/shop/too...Google&cm_ite=



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post #7 of 12 Old 12-12-2012, 10:33 AM
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Quote:
Originally Posted by planalp View Post
You could always go all out and pick up one of these. You know you're eventually going to need it again........

http://www.northerntool.com/shop/too...Google&cm_ite=
Hey, can i borrow it right after you buy it?
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post #8 of 12 Old 12-12-2012, 11:11 AM
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If you have a soldering iron and some patience you can weld plastic to some extent. You have to carefully get the two sides warmed up and then slowly melt the two sides into each other, all the time dragging material from the good section to help fill in the cracks.....it takes time and practice, but can be done. You need the flat tip like a flathead screwdriver and also a flat disc shaped attachment for you iron. The flat disc shape is used to gently smooth the semi finished product to make it more pleasing to the eye. Do the repair on the inside first then very carefully do a similar but not as agressive job on the outside of the material. I have done it with some success with fairings and side panels but never a gas can or gas tank.....getting it to be water or worse yet gas tight is extremely difficult.

Willys
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post #9 of 12 Old 12-12-2012, 11:36 AM
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You could always try to find one of these. I still think inhaling the noxious fumes of burning plastic had something to do with the way I turned out today and there's probably a good reason they didn't sell these for very long.........




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post #10 of 12 Old 02-18-2016, 06:05 AM
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Quote:
Originally Posted by Savage View Post
I recently broke the rear brake lens mount on another ride. I could order a new one ($$) but I thought I'd see if I could "weld" it first. I would think it would be just as good as new and you won't see any of the cracks once mounted.
Does JB make something for plastic, or what do you advise?
Thanks

May be we can help you with our plastic welding services - plasticut.com.au
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