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Annoying lacquer/washes-opinions/suggestions please

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  • Member since
    May 2015
Annoying lacquer/washes-opinions/suggestions please
Posted by IEDDTEK on Wednesday, December 30, 2015 7:49 PM

After destroying a finish on a very expensive 1/32 F-104, I had to strip it to the bone, reprime/repaint. No probs there...just a hell of a lot of work. Argh.

Then...lacquering/weathering. I sprayed first, PFM (which just seems way too watery...not like the older stuff of about 10 years ago...) let that dry for 24...decided I didn't like the so-called "gloss" finish; so I spray bombed Testors gloss in thin coats over that. So far so good. 24 hours later...I used a sludge wash; 1 hour later, another over that and let that coat dry another hour.

Took the damp paper towel to it...nothing. The sludge would not budge. I almost literally dropped a 22lb sledge on the model...(I was so pissed off.) This had now taken twice the time and effort to rebuild/redo. Once again...I had to use 99% IA to get the wash off. You know what that did to the lacquer. (And some of the decaling.)

Here's what I think I did wrong. (Again).

I did not allow at least 48 hours for the Testors gloss to completely dry/cure. OR, using PFM under the Testors gloss.

Anybody ever experience this or something similar? What am I doing wrong that a simple sludge wash didn't work?Bang HeadBang HeadBang HeadBang HeadBang Head

Thanks a lot for insights and opinions!

 

 

  • Member since
    December 2009
  • From: Laurel, MD
Posted by Tucohoward on Saturday, January 2, 2016 12:18 PM

You don't say what kind of sludge wash you are using, but whatever it is, you are letting it get too dry. I would recommend using a Turpenoid/oil paint wash. Dries much slower so it's easier to control. You can speed up the process with a hair dryer. If you get it too dry to wipe off, a little Turpenoid on a rag will take it off. You can do the whole thing in ten minutes. I never walk away from a wash. Even oil paint is tough to get off after a few days.

Jay

The Mighty Mo says no.

  • Member since
    January 2009
  • From: hamburg michigan
Posted by fermis on Saturday, January 2, 2016 3:08 PM

Is your wash solvent based??? If so, that's the problem.

I use lacquer gloss (Minwax, thinned and A/B'ed)...decals...gloss again. Then I use a homemade wash (acrylic craft paint, water, drop of dish soap....does not take much paint!). I'll brush a little wash on a section of the model, then rub it in with a finger (usually my own!). Give it a few minutes drying time, then wipe away the excess with a water dampened cloth(old t-shirt). The only time I have ever not had good results with the wash was when I didn't have a good gloss.

  • Member since
    May 2015
Posted by IEDDTEK on Sunday, January 3, 2016 6:43 AM

The sludge was just soft pastel scrapings, distilled water and a drop of dish soap.

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Sunday, January 3, 2016 11:01 AM

Lacquer-based solvents don't make any sense to me.  Lacquer thinner is just too hot. It may be possible to find a protective lacquer-proof clearcoat, but why bother?  Water based and enamel based washes do fine- I don't see the need for a lacquer one.

Don Stauffer in Minnesota

  • Member since
    January 2009
  • From: hamburg michigan
Posted by fermis on Sunday, January 3, 2016 11:05 AM

Hmmmm

That just doesn't seem right. I got nothin!

I only have experience with the wash I've mentioned above.

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