glue/adhesive for plastic repair

steven_191 · Nearly there... Joined: 31 May 2009 Karma :

I have a removed my hugger that was in a sorry state. Cleaned it up to repair and spray but I found it actually looks like a carbon fibre part that has been sprayed. There are a few cracks in the top clear laminate.

I want to fill these cracks so need something I can sand down after. I didnt want to use filler because I think thats too brittle?

Also on one of the mount points where there is a crack I wanted to build up the bottom of the panel and level it so that when I do fix it back down it wont put any uneven pressure on the panel and cause another crack.

Not sure what is the right sort of adhesive to go for. Any suggestions would be helpful.
cheers

Nexus Icon · World Chat Champion Joined: 26 Aug 2010 Karma :

An epoxy, like Araldite, will work fine on CF. If you get the 5 minute cure stuff you won't be waiting 24 hours for it to go off either.

It can be rubbed back and primed/sprayed with no issues.
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Pol Anorl · Banned Joined: 13 Apr 2010 Karma :

2 part epoxy works well, bit of an arse to sand with cheap sandpaper though Very Happy

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Bunny Lingus · Traffic Copper Joined: 20 Apr 2014 Karma :

You sure its carbon or plastic done to look like carbon? If its plastic weld it wit a soldering iron & some black cable ties, sand, paint.
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bodger · Nova Slayer Joined: 18 Apr 2012 Karma :

You could use Bumper Filler available at Halfords thats especially made for plastic filling Thumbs Up

Hetzer · Super Spammer Joined: 19 Feb 2007 Karma :

Ideally you want something that will bond/weld the material. Anything that works by sticking one part to the other will be subject to vibration and crud and will eventually part.
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Pol Anorl · Banned Joined: 13 Apr 2010 Karma :

Hetzer · Super Spammer Joined: 19 Feb 2007 Karma :

No, that's araldite and will only stick the bits together. You need something like what polystyrene glue does to plastic, melts it so two pieces become one.

I have no idea if the material you're working with can be melted like that. Thus "ideally".
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