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Polytone over old polytone with carnauba

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franicaza(at)yahoo.com.mx
Guest

Posted: Thu Jul 20, 2006 7:38 pm Post subject: Polytone over old polytone with carnauba

I want to paint some orange lines with polytone over

my wings already painted with the same material. For a

pair of years I have used carnauba to keep surfaces

protected. Does anyone know how I could clean the

surface to remove carnauba before painting it?



I appreciate,



Francisco Icaza.

 

	

	

		

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barry(at)pgtc.com
Guest

Posted: Fri Jul 21, 2006 2:18 am Post subject: Polytone over old polytone with carnauba

Francisco, you really need to sandpaper the area where the new paint will 

go.  I suggest fine sandpaper, about 300 grit, first then mask and paint. 

After the new paint is fully cured, come back and color finish the whole 

area.  I think there are directions for this in Polyfiber's instruction 

book.  Start with 600 grit, then 1000, then 1500, then maybe 2000.  After 

that use medium and then fine polishing compound.



Some others on the list may tell you a better or easier way but generally, 

this would work.  Call the Jon Goldenbaum at Polyfiber.



Barry West



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ddsyverson(at)comcast.net
Guest

Posted: Fri Jul 21, 2006 3:31 am Post subject: Polytone over old polytone with carnauba

Francisco,



You will now thank your lucky stars for having polytone on an aircraft you 

want to refinish with polytone. Doing this is a lot easier to do successfully 

that putting anything over something other than polytone.



Getting the wax off has to be done. Any residue left will result in peeling, 

pinholes, spots of all kinds  and discoloration.



To remove the wax (and any other oil or grunt) you should use a solvent that 

will dissolve the wax, but not ther polytone. In the auto painting business, 

these products are cleverly called "Wax and grease removers". Poly fiber has 

two products of this type for this purpose "Metl-sol" - part number C-2200  

which is a strong solvent for this purpose and "Paint cleaning Solvent" part 

number C-2210 which is a mild solvent. 



There are other products from the auto repair sector which are equivalent and, 

if you go this route, just be sure you use one which is compatible with 

lacquer (Poly tone behaves a lot like lacquer) 



If you do any experimenting with solvents other than those from Polyfiber - 

just be sure to try it our on a small spot before going wild with it. The 

trick is to use a solvent which dissolves the wax and crud, but not the 

polytone. Be sure to solvent wash multiple times. Use clean rags and throw 

them away frequently enough so you don't recontaminate the surface.



For sure, I would recommend, since you are using polyfiber systems in your 

refinishing, give one of their representatives a call - people who work with 

a particular product line usually know what works best with their product 

line.



If you have some experience with re-finishing, you should be pretty well 

prepared to do this task - if not - really be sure that you talk to a 

poly-fiber representative. 



On cars, we usually degrease, then go after it with wet or dry sandpaper - 

there is not a lot you can hurt on cars (other than glass & chrome) - but 

there is lot you can damage on fabric airplanes. You have to be careful with 

sandpaper on fabric - remember that there is a UV protection coat under the 

polytone you don't want to disrupt. There is always a possibility that a 

person may have to do spot repairs going into the lower coats - in this case 

be sure to reapply the lower coats.



Good luck with your project - you should have a really nice looking airplane 

with new paint.



Sincerely,



Dave S

St Paul, MN 

KF-7 Trigrear

On Thursday 20 July 2006 10:35 pm, icaza francisco wrote:

 	  Quote: 	
		   



 I want to paint some orange lines with polytone over

 my wings already painted with the same material. For a

 pair of years I have used carnauba to keep surfaces

 protected. Does anyone know how I could clean the

 surface to remove carnauba before painting it?



 I appreciate,



 Francisco Icaza.

 ___________________________________________________________

 La mejor conexión a Internet y <b >2GB</b> extra a tu correo por $100 al

 mes. http://net.yahoo.com.mx

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FLIER(at)sbcglobal.net
Guest

Posted: Fri Jul 21, 2006 6:04 am Post subject: Polytone over old polytone with carnauba

Hey Francisco,



I've seen a couple of good replys and I'll chime in 

as I have some experience with this situation.



As already stated, after you've masked get some 

polyfiber paint cleaning solvent and wipe down the 

surface to be painted.  Do it a couple of times and 

use good clean paper towels.  Don't let the cleaning 

solvent lay wet on the paint.  Wipe it on then off.



Then, use Polyfiber paint rejuvenator to 'loosen' the 

surface of the existing Polytone.  Be sure to get the 

surface loosened.  If not, the new Polytone will not 

adhere to the old Polytone.  The best bet is to be 

sure to do the refinish in a cool place to allow the 

solvent vapors to loosen up the surface well before 

they flash off.  Use plenty of retarder in the paint 

you're spraying to allow it to bond with the dried 

paint.



If you don't get the surface loosened, once that new 

Polytone dries you'll find that it'll simply peel 

right off the surface.



Regards,



Ted



--- Original Message ---

carnauba



 	  Quote: 	
		  

<franicaza(at)yahoo.com.m=
	


 	  Quote: 	
		  x>



I want to paint some orange lines with polytone over

my wings already painted with the same material. For 

a
	


 	  Quote: 	
		  pair of years I have used carnauba to keep surfaces

protected. Does anyone know how I could clean the

surface to remove carnauba before painting it?



I appreciate,



Francisco Icaza.

=20

=09

=09

	=09

_____________________________________________________

______=20
	


 	  Quote: 	
		  La mejor conexi=F3n a Internet y <b >2GB</b> extra a 

tu correo por $100 a=
	


 	  Quote: 	
		  l mes. http://net.yahoo.com.mx=20





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FLIER(at)sbcglobal.net
Guest

Posted: Fri Jul 21, 2006 6:04 am Post subject: Polytone over old polytone with carnauba

Hey Francisco,



I've seen a couple of good replys and I'll chime in 

as I have some experience with this situation.



As already stated, after you've masked get some 

polyfiber paint cleaning solvent and wipe down the 

surface to be painted.  Do it a couple of times and 

use good clean paper towels.  Don't let the cleaning 

solvent lay wet on the paint.  Wipe it on then off.



Then, use Polyfiber paint rejuvenator to 'loosen' the 

surface of the existing Polytone.  Be sure to get the 

surface loosened.  If not, the new Polytone will not 

adhere to the old Polytone.  The best bet is to be 

sure to do the refinish in a cool place to allow the 

solvent vapors to loosen up the surface well before 

they flash off.  Use plenty of retarder in the paint 

you're spraying to allow it to bond with the dried 

paint.



If you don't get the surface loosened, once that new 

Polytone dries you'll find that it'll simply peel 

right off the surface.



Regards,



Ted

--- Original Message ---

carnauba



 	  Quote: 	
		  

<franicaza(at)yahoo.com.m=
	


 	  Quote: 	
		  x>



I want to paint some orange lines with polytone over

my wings already painted with the same material. For 

a
	


 	  Quote: 	
		  pair of years I have used carnauba to keep surfaces

protected. Does anyone know how I could clean the

surface to remove carnauba before painting it?



I appreciate,



Francisco Icaza.

=20

=09

=09

	=09

_____________________________________________________

______=20
	


 	  Quote: 	
		  La mejor conexi=F3n a Internet y <b >2GB</b> extra a 

tu correo por $100 a=
	


 	  Quote: 	
		  l mes. http://net.yahoo.com.mx=20





_-

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		  =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

browse
	


Subscriptions page,

FAQ,

List

 	  Quote: 	
		  _-

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foxfloatflyer(at)hotmail.
Guest

Posted: Fri Jul 21, 2006 7:31 am Post subject: Polytone over old polytone with carnauba

Hi Francisco,



I've used NAPA Wax & Grease remover, part #15250. Be sure to wear a good 

mask when using it.



Joel

Model 5 912



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Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Fri Jul 21, 2006 4:46 pm Post subject: Polytone over old polytone with carnauba

Only if you want to paint to stay on.  If you are putting the lines on for a

temporary reason paint over the wax.



Noel



[quote] --

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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

mike
Guest

Posted: Sat Jul 22, 2006 11:39 am Post subject: Re: Polytone over old polytone with carnauba

To add a little final to the paint, use 8800 reducer and try to spray at 60degrees f.  What this will do is cause the paint to dry real slow, the result is a much shinier look.  Worked real nice for me.

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clemwehner(at)sbcglobal.n
Guest

Posted: Sat Jul 22, 2006 12:01 pm Post subject: Polytone over old polytone with carnauba

I agree. I sprayed reduced polytone at 60 degrees. I could see my

reflection in the finish after it dried. It's been 13 years since I

painted my KFIV and the finish still looks as good. (I have kept it

hangered).



I also used polytone on my fiberglass parts such as the cowl and it is

perfect and very tough. I did as polyfiber said and sprayed the epoxy

primer then sprayed the polytone before the primer had cured. The

polytone goes on within just a few minutes after the primer.  Polytone

is a fine finish and looks great when done right. 



Clem

Oklahoma KFIV,912






To add a little final to the paint, use 8800 reducer and try to spray at

60degrees f.  What this will do is cause the paint to dry real slow, the

result is a much shinier look.  Worked real nice for me.

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