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Curing for Tamiya Acrylics

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  • Member since
    August 2005
  • From: Sydney, Australia
Posted by Phil_H on Tuesday, February 13, 2018 5:05 AM

There are certainly a number of liquid masking fluids which will lift Tamiya acrylics if theyre applied too heavily irrespective of whether the underlying paint has cured fully or not.

Humbrol Maskol and Gunze Mr Masking Sol Neo will do this, but the effect can be moderated by applying in thin layers and allowing to dry before adding more.

  • Member since
    March 2015
Posted by Peaches on Tuesday, February 13, 2018 2:59 AM

I thought about that.  It might be because the one that I used was water based and that is what is causing it.  It also might be I didn't let the liquid mask dry long enough.  

WIP:
Academy F-18 (1/72)

On Deck 

MH-60G 1:48 (Minicraft)

C-17 1/144

KC-135R 1/144

Academy F-18(1/72)

Ting Ting Ting, WTF is that....

  • Member since
    December 2002
  • From: Bury St Edmunds, Suffolk, England
Posted by Bish on Tuesday, February 13, 2018 2:50 AM

Could be that your useing a liquid mask that you have to scrap off and your just lifting the paint when you scrap off the mask.Have you thought of trying tape or putty for curved masking.

 

I am a Norfolk man and i glory in being so

 

On the bench: Airfix 1/72nd Harrier GR.3/Fujimi 1/72nd Ju 87D-3

  • Member since
    March 2015
Posted by Peaches on Tuesday, February 13, 2018 2:39 AM

Well I am kinda limited on being able to use Lacquer thinner.  

WIP:
Academy F-18 (1/72)

On Deck 

MH-60G 1:48 (Minicraft)

C-17 1/144

KC-135R 1/144

Academy F-18(1/72)

Ting Ting Ting, WTF is that....

  • Member since
    August 2005
  • From: Sydney, Australia
Posted by Phil_H on Tuesday, February 13, 2018 12:29 AM

It may simply be a case of a very thin coat being a little fragile. I have had that happen in the past.

Another suggestion I might offer is to try Tamiya lacquer thinner. It gives you a little more bite while at the same time allows you to thin the paint even more.

  • Member since
    March 2015
Posted by Peaches on Monday, February 12, 2018 11:45 PM

Yep 

WIP:
Academy F-18 (1/72)

On Deck 

MH-60G 1:48 (Minicraft)

C-17 1/144

KC-135R 1/144

Academy F-18(1/72)

Ting Ting Ting, WTF is that....

  • Member since
    August 2005
  • From: Sydney, Australia
Posted by Phil_H on Monday, February 12, 2018 11:44 PM

Peaches

Too much thinner perchance?

Perhaps, but in my experience, Tamiya acrylics can be thinned quite heavily and still get good coverage and adhesion. I'm talking in the 75-80% thinner range.

What are you using for thinner? X-20A?

  • Member since
    March 2015
Posted by Peaches on Monday, February 12, 2018 11:37 PM

I sprayed it on Saturday, and didn't touch it until today.  Too much thinner perchance?

 

WIP:
Academy F-18 (1/72)

On Deck 

MH-60G 1:48 (Minicraft)

C-17 1/144

KC-135R 1/144

Academy F-18(1/72)

Ting Ting Ting, WTF is that....

  • Member since
    August 2005
  • From: Sydney, Australia
Posted by Phil_H on Monday, February 12, 2018 11:23 PM

Flat Tamiya acrylics usually cure in about 24 hours. The first 4-6 hours, the paint appears dry, but can easily be scratched. 

Tamiya gloss acrylics take somewhat longer and can still be soft a week to 10 days (or more) after application.

  • Member since
    March 2015
Curing for Tamiya Acrylics
Posted by Peaches on Monday, February 12, 2018 11:02 PM

So just curious, what generally is the curing time for Tamiya Acrylics.  I put some water based masking on (That might have been part of the problem) and I went to go take it off, and when I was scraping it off, I could basically take my fingernail and the paint would just scrape off.  I painted it on Saturday, I figured that that it should have cured to the point where I wouldn't have been able to scrape it off.  

WIP:
Academy F-18 (1/72)

On Deck 

MH-60G 1:48 (Minicraft)

C-17 1/144

KC-135R 1/144

Academy F-18(1/72)

Ting Ting Ting, WTF is that....

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