Call Search
     

New to Ham Radio?
My Profile

Community
Articles
Forums
News
Reviews
Friends Remembered
Strays
Survey Question

Operating
Contesting
DX Cluster Spots
Propagation

Resources
Calendar
Classifieds
Ham Exams
Ham Links
List Archives
News Articles
Product Reviews
QSL Managers

Site Info
eHam Help (FAQ)
Support the site
The eHam Team
Advertising Info
Vision Statement
About eHam.net

donate to eham
   Home   Help Search  
Pages: [1] 2 Next   Go Down
  Print  
Author Topic: Plastic Clear Coat needed  (Read 25963 times)
N4NYY
Member

Posts: 5206




Ignore
« on: January 07, 2012, 03:41:25 PM »

I am restoring an AA5 from the 1950's, and the case is plastic. The color is like a Mahogany swirl, with a gloss shine clear coat. I am going to have to re-finish.

I test spotted automotive clear lacquer on the bottom, and the results were no good. It ate away at the plastic. Krylon mas a Fusion plastic paint, but have not tried. I asked on Antiques Radio Forum, and no one seems to know.

Is there any kind of plastic clear coat that I can finely sand and polish after it dries? Needs to be gloss and not interact with the plastic.

And yes, A5CUP, it is for the Edsel.
Logged
N2VWW
Member

Posts: 243




Ignore
« Reply #1 on: January 07, 2012, 07:24:35 PM »

Try Minwax acrylic gloss. It is a water based wood finish that should not harm the radio's finish. Maybe somebody makes the same type of clearcoat in a spray.

Gary
Logged
KE3WD
Member

Posts: 5688




Ignore
« Reply #2 on: January 08, 2012, 03:09:51 PM »

Test the bottom with a clear acrylic spray finish.

http://www.krylon.com/products/crystal_clear_acrylic/


73
Logged
K8AC
Member

Posts: 1897




Ignore
« Reply #3 on: January 09, 2012, 10:54:38 AM »

You may be a radio collector and already considered this, but, are you certain that the case is not made of catalin?  The comment on the swirl and the gloss caught my eye and made me think catalin.  It would have been highly unusual for a manufacturer of a plastic radio case to have clear coated it with anything, but not impossible.  On the other hand, catalin can have such a high gloss finish that one might think it had been clear-coated.  The point is, a catalin radio is worth a considerable sum, but likely about nothing once one refinished it with anything. 

73, K8AC
Logged
N4NYY
Member

Posts: 5206




Ignore
« Reply #4 on: January 09, 2012, 12:32:00 PM »

Quote
You may be a radio collector and already considered this, but, are you certain that the case is not made of catalin?  The comment on the swirl and the gloss caught my eye and made me think catalin.  It would have been highly unusual for a manufacturer of a plastic radio case to have clear coated it with anything, but not impossible.  On the other hand, catalin can have such a high gloss finish that one might think it had been clear-coated.  The point is, a catalin radio is worth a considerable sum, but likely about nothing once one refinished it with anything. 

I do not know if it is catalin. It is the radio on the top here (F817) http://www.philcoradio.com/gallery/1958.htm#n. That is 1958. The problem with value is that it is worn and has scratches. I cannot see the radio being worth that without a cabinet restoration.
Logged
N4NYY
Member

Posts: 5206




Ignore
« Reply #5 on: January 09, 2012, 01:25:46 PM »

OK. Krylon clear acrylic was worse than the lacquer. I am going to try Krylon Fusion Clear for plastic.
Logged
K3WEC
Member

Posts: 260




Ignore
« Reply #6 on: January 09, 2012, 06:14:04 PM »

I have been able to bring a nice gloss on old plastics by using plastic polishing compound.   Lots of elbow grease but the results have been good for me.
Logged
N4NYY
Member

Posts: 5206




Ignore
« Reply #7 on: January 09, 2012, 07:00:02 PM »

Problem is I have 1 or 2 area that need a refinish.
Logged
W8AAZ
Member

Posts: 379




Ignore
« Reply #8 on: January 14, 2012, 08:27:38 AM »

Purely plastic from '58.  I believe a catalin would be much older. Specialised plastic polishes would be my first choice.  Maybe a Micromesh kit to polish it but any sort of polishing should be done by hand and is alot of work. The results can be quite nice.  The Krylon glossy clearcoat might be usable but I am pretty sure that plastic sets were not sprayed with anything by the maker, except in the case that they might be painted.
Logged
N4NYY
Member

Posts: 5206




Ignore
« Reply #9 on: January 14, 2012, 10:47:30 AM »

Krylon Fusion failed. I am left with the imperfections. I have to polish them out.
Logged
N3BSZ
Member

Posts: 58




Ignore
« Reply #10 on: January 17, 2012, 05:34:19 PM »

Paste wax.  or google Future Floor Finish.  Model makers use it over decals on plastics.
Logged
N4NYY
Member

Posts: 5206




Ignore
« Reply #11 on: January 17, 2012, 06:24:39 PM »

I used 1000 grit sandpaper and Novus 1,2,3. Came out respectable!
Logged
KA3TRX
Member

Posts: 3




Ignore
« Reply #12 on: January 18, 2012, 04:28:12 PM »

Just a thought - you might try one of those headlight refinishing kits.
Logged
N4NYY
Member

Posts: 5206




Ignore
« Reply #13 on: January 18, 2012, 04:37:39 PM »

I was thinking about the headlight refinishing kit. But I would be way in more financially that the radio is worth. Those kits can be about $20. I am not sure I can get $75 for this radio fully restored. And it needed 2 speakers, too.
Logged
AC5UP
Member

Posts: 4546




Ignore
« Reply #14 on: January 21, 2012, 07:56:16 AM »

Yo........ Vinnie.........
Your X-Rays came back from the clinic: http://news.sky.com/sky-news/content/StaticFile/jpg/2012/Jan/Week3/16153546.jpg

Looks like you're now qualified to captain a cruise ship!
Logged

Pages: [1] 2 Next   Go Up
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.11 | SMF © 2006-2009, Simple Machines LLC Valid XHTML 1.0! Valid CSS!