[450] Microphone painting project.

William Knapp / WA1WK kc1wj at kc1wj.com
Fri Nov 27 15:56:07 UTC 2015


If not using 100% acetone. I am using Goof-Off which has some acetone  
in it, but not 100%. I tested it out on an area of the mic that wasn't  
visible before I started and it showed no signs that it was melting  
the plastic, so we're all good here. Thanks for the suggestions. I  
nice citrus scent would be way nicer than the goof-off smell!



Quoting George Andrews <gandrews at ntplx.net>:

> William,
>
> Use caution with acetone as a cleaning agent. Some plastics are very  
> soluble in acetone. In fact acetone is used as an agent for bonding  
> polystyrene for making shields in laboratories. Rem Oil found in gun  
> shops and the sporting goods section of WalMart and the like is  
> good. I use a citrus based degreaser (for cleaning bicycle parts) as  
> it has never damaged any plastics (try it in a place where any harm  
> will not be visible first). This stuff even removes tobacco smoke  
> residue and leaves a citrus odor behind which fades after a while.  
> Do not use around high voltage. 70% isopropyl alcohol will work.  
> Ethanol is also good if you can get aviation grade. One can always  
> get 190 proof alcohol from the package store, but it is a bit pricey.
>
> George
> N1YAE
>
> -----Original Message-----
> From: 450 [mailto:450-bounces at lists.vhfwiki.com] On Behalf Of  
> William Knapp / WA1WK
> Sent: Friday, November 27, 2015 10:31 AM
> To: 450 at lists.vhfwiki.com
> Subject: [450] Microphone painting project.
>
> Mt Shure 450 was looking pretty ratty. I'm not ever planning on  
> selling it. After all I got it for free out of a dumpster, so I  
> figured..what the heck, why not paint it. Now it's gloss black on  
> the bottom. What color do you guys suggest for the top part (which  
> extends out a few more inches than is shown in the photo.) My only  
> worry is that the paint my dub off when I raise and lower the neck  
> extension of the mic. I want to keep all the brushed aluminum  
> accents intact.
> I may take out the PTT switch and paint that too. It's pretty grungy  
> from use, but I might be able to just clean it with some acetone or  
> something similar.
>
> So anyway - suggest away for a top color for the mic.
>
> Hope you all had a good turkey (or tofurkey) day.
>
>
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