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Old October 7th 13, 06:45 PM posted to rec.autos.tech,rec.autos.makers.chrysler
Nate Nagel[_2_]
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Posts: 4,686
Default Repairing cracks in front plastic facia - will fiberglass resin"stick" ?

On 10/07/2013 01:22 PM, Steve W. wrote:
> MoPar Man wrote:
>> While I have the front facia off my '00 300m, I figure it's a good time
>> to fix some cracks on the lower edge.
>>
>> I could rivit small pieces of sheet metal to bridge the cracks, but I'm
>> wondering if fiberglass resin would "stick" or bond to this facia?
>> Maybe if I roughened (sanded) it a little?
>>
>> What is the facia made of? ABS plastic?
>> As far as the appearance of the front of the facia goes, I'd actually
>> like to remove all the lights and trim and give the front a good
>> spray-paint job to get it looking new. Have never painted pastic before
>> - how well does that turn out? Does it give a durable finish?

>
>
> Common resin won't bond to the SMC used. You can buy the proper
> materials from most body supply places. Or you can plastic weld it back
> together. I have done both. The chemical ways are a bit more expensive
> but don't require as much practice, They also allow you to "glue" pieces
> into other places.
>
> Painting isn't hard. If the only item you are painting is the plastic
> just have a paint shop make you up a 1/2 pint of color with flex
> additive. Then spray away.
>


If it's a thermoplastic, Harbor Freight sells an inexpensive "welding"
kit. I haven't tried it, but it seems like it might work.

I do like the idea of reinforcing with aluminum, but I'm concerned about
finding a suitable adhesive. Might want to ask at your local auto body
supply, if you have one.

nate

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