repairing cracks in plastic

pbillyi69 · 06-13-2009, 03:39 PM

what is the best way to fix cracks in the plastic front body?? will jointing compound work or will it just come out because of the flexability of the plastic? i tried using the search field and couldn't get it to lead me to any topics on this.. i sorry if this has been covered already

pbillyi69 · 06-13-2009, 04:37 PM

here are some pics of it and what about the hole??

SP-Electronics · 06-13-2009, 07:34 PM

Plastic can be "welded" using a plastic welding kit. They sell them at harbor freight tools, and other places. It will melt the plastic and you can add more plastic material during the process, to bond the two points back together and fill it in, then sand it smooth and repaint if desired. You can use the same setup to fill small holes. Just put something behind the hole so the material doesn't just sag or flow out the back, fill it in, and sand smooth and paint.

For a less attractive repair, just to keep it from spreading, drill the end of the crack so it has a nice smooth round hole, then drill small holes on both sides of the crack, and use wire ties to hold the area together, and keep it from flexing and cracking more. It's a common practice in the motorcycle/atv world to fix plastics, but I don't recommend it.

pbillyi69 · 06-13-2009, 08:13 PM

thanks i'll look for the welding kit a harbor freight......i just saw the custom painted bodies for a very reasonable price in another thread every time i look for something on here i end up wanting something else......

SP-Electronics · 06-13-2009, 10:30 PM

Quote:

every time i look for something on here i end up wanting something else......

You and me both!

Here's a link to all the plastic welding systems harbor freight sells - http://search.harborfreight.com/cpis...weld&Submit=Go

pbillyi69 · 06-14-2009, 12:43 PM

thanks i have an old soldering iron that might work

ruredy · 06-15-2009, 07:21 AM

There are 2part epoxies that can be used to fix plastics also, checking with a auto paint supplier about this may help.

groundpounder · 06-15-2009, 08:18 AM

Quote:

Originally Posted by ruredy

There are 2part epoxies that can be used to fix plastics also, checking with a auto paint supplier about this may help.

what he said

try to find SEM the best out there for plastic in my opinion.

spriddle · 06-15-2009, 08:35 AM

GP, that Yami in your avatar looks really good. I'd like to see some more pic's of that under member's rides.

Back to cracked plastic.....

groundpounder · 06-15-2009, 09:13 AM

Quote:

Originally Posted by spriddle

GP, that Yami in your avatar looks really good. I'd like to see some more pic's of that under member's rides.

Back to cracked plastic.....

spriddle were have you been that cart is old news

http://www.buggiesgonewild.com/lifte...inch-lift.html

06-13-2009, 03:39 PM	#1
pbillyi69 shut up & hang on Join Date: Jun 2009 Location: gladstone, or Posts: 1,168	repairing cracks in plastic what is the best way to fix cracks in the plastic front body?? will jointing compound work or will it just come out because of the flexability of the plastic? i tried using the search field and couldn't get it to lead me to any topics on this.. i sorry if this has been covered already

06-13-2009, 07:34 PM	#3
SP-Electronics Gone Wild Join Date: Aug 2008 Location: Tucson, AZ Posts: 979	Re: repairing cracks in plastic Plastic can be "welded" using a plastic welding kit. They sell them at harbor freight tools, and other places. It will melt the plastic and you can add more plastic material during the process, to bond the two points back together and fill it in, then sand it smooth and repaint if desired. You can use the same setup to fill small holes. Just put something behind the hole so the material doesn't just sag or flow out the back, fill it in, and sand smooth and paint. For a less attractive repair, just to keep it from spreading, drill the end of the crack so it has a nice smooth round hole, then drill small holes on both sides of the crack, and use wire ties to hold the area together, and keep it from flexing and cracking more. It's a common practice in the motorcycle/atv world to fix plastics, but I don't recommend it.

06-13-2009, 08:13 PM	#4
pbillyi69 shut up & hang on Join Date: Jun 2009 Location: gladstone, or Posts: 1,168	Re: repairing cracks in plastic thanks i'll look for the welding kit a harbor freight......i just saw the custom painted bodies for a very reasonable price in another thread every time i look for something on here i end up wanting something else......

06-14-2009, 12:43 PM	#6
pbillyi69 shut up & hang on Join Date: Jun 2009 Location: gladstone, or Posts: 1,168	Re: repairing cracks in plastic thanks i have an old soldering iron that might work

06-15-2009, 07:21 AM	#7
ruredy Born Wild Join Date: Mar 2007 Location: Clover SC. Posts: 5,552	Re: repairing cracks in plastic There are 2part epoxies that can be used to fix plastics also, checking with a auto paint supplier about this may help.

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06-15-2009, 08:35 AM	#9
spriddle Admin Join Date: Dec 2006 Location: TN Posts: 101,858	Re: repairing cracks in plastic GP, that Yami in your avatar looks really good. I'd like to see some more pic's of that under member's rides. Back to cracked plastic.....

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