A Plastic Quandry


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wjnfirearms
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A Plastic Quandry

Postby wjnfirearms » Sun Feb 17, 2013 4:24 pm



I finally had a day to get closer to painting the Vetter luggage. Today was sanding and putty of the luggage lids 101, full paint prep. I did get a lot done.

Then, I started on the Windjammer. I removed the running/turn light housings and looked at one of them.


I saw that the entire front of the housing is really amber, just painted. I thought that how cool it would look if it was entirely amber.

Now, the question is how to strip the paint off of the plastic without damaging the plastic, especially 1970s plastic compounds.

Any isdeas? :?


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Re: A Plastic Quandry

Postby SteveB123 » Sun Feb 17, 2013 5:21 pm

I've give soda blasting a try (on a small hidden part, if possible).
It's very gentle.
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Re: A Plastic Quandry

Postby wjnfirearms » Sun Feb 17, 2013 7:21 pm

If I had what to soda blast with, I'd try it.
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Re: A Plastic Quandry

Postby SteveB123 » Sun Feb 17, 2013 9:40 pm

wjnfirearms wrote:If I had what to soda blast with, I'd try it.


If you have a compressor.....
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Re: A Plastic Quandry

Postby virgilmobile » Sun Feb 17, 2013 10:42 pm

No better idea from me either.......however If I had soda

I'd be mixing it with Jack Daniels.

Just kidding. :D

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Re: A Plastic Quandry

Postby RoadRogue » Mon Feb 18, 2013 1:40 am

for just a couple ofbucks you can make your own soda blaster 8-)
http://www.aircooledtech.com/tools-on-t ... a_blaster/
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Re: A Plastic Quandry

Postby tfdeputydawg » Mon Feb 18, 2013 3:08 am

I'm sure you're aware but, be very careful how you handle 40 year old plastic. Pretty brittle by now!
I worked for a GM division, back in the day, when Craig Vetter visited and we worked up the designs and costed producing those very lamps for him.
Never got the business as we were to costly and really didn't want such a low volume contract! At one time we produced the headlamps, turn signals and rear lamps for Harley Davidson also!

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Re: A Plastic Quandry

Postby wjnfirearms » Mon Feb 18, 2013 7:24 am

Very aware, dawg. Thus, one of the reasons I'm so cautious trying anything chemical to remove the paint.

I'm going to put together one of those cheapie soda blasters regardless of whether I try it on the lights or not. It will come in handy.

Thanks.
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Re: A Plastic Quandry

Postby Mag » Mon Feb 18, 2013 11:12 am

Never heard of doing this with baking soda.....nice job on the metal pieces, I would really like to see this on plastic just to see.

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Re: A Plastic Quandry

Postby SteveB123 » Mon Feb 18, 2013 11:39 am

Mag wrote:Never heard of doing this with baking soda.....nice job on the metal pieces, I would really like to see this on plastic just to see.


http://goldwingdocs.com/forum/viewtopic.php?f=16&t=14068
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Re: A Plastic Quandry

Postby Mag » Mon Feb 18, 2013 2:37 pm

I could have sworn I read all the posts here since last summer, hmmm (thx for that one Steve, my memory must be hitting me again)

Well, that was still on metal, looking for plastic if that is a possibility.

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Re: A Plastic Quandry

Postby SteveB123 » Mon Feb 18, 2013 3:43 pm

Mag wrote:Well, that was still on metal, looking for plastic if that is a possibility.


What are you trying to blast?

"soda blasting plastic", Googled, yielded plentiful results.
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Re: A Plastic Quandry

Postby goldminerusa » Mon Feb 18, 2013 4:18 pm

If the amber portions don`t need to reflect or allow lite to pass, i`d wet sand with 400 grit, then wet sand with 800, then wax the plastic to fill and smooth whatever scratch`s remain. Or. Use a headlight buffing kit, the one for removing the haze from plastic headlight lens`s on cars etc.

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Re: A Plastic Quandry

Postby Mag » Mon Feb 18, 2013 10:35 pm

The beige parts on my bike are a little worse for hte wear, was wondering if there is a way that I can clear that up and repaint. I will do your google command, thx for that, see if this makes sense.

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Re: A Plastic Quandry

Postby WingAdmin » Tue Feb 19, 2013 10:48 am

You might also want to try this: How to repair brittle plastic

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Re: A Plastic Quandry

Postby Mag » Tue Feb 19, 2013 12:37 pm

Now, never heard of that at all. Ok, that is also a possibility, once again another great find on this site.

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Re: A Plastic Quandry

Postby redial » Tue Feb 19, 2013 8:05 pm

This is what it looked like before.
This is what it looked like before.
I have a Honda CD250U that I 'putter' around town on, that has some sun effects on the plastic do-dads that cause the plastic to turn grey to white. I read somewhere, perhaps here, that you wipe them over with Olive Oil - (no not Popeye's girlfriend) and let them sit for a day or two. Well, I tried this on a small piece, and it is an outstanding idea that has worked. The piece went from light grey to a fairly healthy, and shiney, dark colour.

And this the best part of the result, after.
And this the best part of the result, after.


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