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Vallejo Liquid Masking; Clean-up advice urgently sought
Topic Started: Sep 19 2017, 08:55 PM (187 Views)
Scott Hemsley
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Beast
[ * ]
I used to use Mr. Masking Sol (Gunze), but having my LHS discontinue it, I have no ready source & mail-order is not an option, Therefore I had to turn to this Vallejo liquid mask after hearing that it was a good liquid mask substitute for the Gunze product. It claims it's water-soluble, but it's ruined 2 good brushes with them retaining the latex mask.

Anyone experienced with this stuff, have any advice on a successful clean-up? Trying to clean it under running water or soaking in a bowl doesn't seem to remove all to the latex and I can't afford to sacrifice brushes each time I use it.

Scott
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Bert
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Hero
[ * ]
I would use a toothpick applying it. For a large surface to be masked, I use an old ruined paintbrush (seems like you have a couple of them now) LOL Use the other end. Forget about applying it with a brush. Latex and water don't mix.
HTH,
-Bert
Iko Iko jockamo fee na nay
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Scott Hemsley
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Beast
[ * ]
A ruined brush might be more effective than a toothpick (flat or otherwise), but I hear what you're saying. The LHS that stocks the Vallejo liquid mask claimed it was water soluble, but apparently it's not - well not when it's on a brush, anyway. Water certainly helps to loosen it when removing it from the model, though.

I've got a couple more that are approaching the masking phase, so that's good, timely advice. Many thanks Bert! :)

Scott
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walrus
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Porco
[ * ]
I use Humbrol Masking Fluid.
It is water soluble but will gunk up a brush after it has dried.

I always assumed that liquid masks are only water soluble when diluted, which I tend to to when masking canopies so that it will flow into the corners of the frame.
It also makes it easier to clean off a brush after use when diluted.

I hadn't thought of using water to help lift the liquid mask off the model

Might be worth having a play diluting the stuff to try out on an old spare canopy/kit
Paul from Birmingham, UK
Now living in Barnsley.
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Scott Hemsley
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Beast
[ * ]
Walrus:

I found that once the mask has had that initial 'rip' when removing, a spot of moisture helps to loosen the remaining mask and thus ease it's removal.

I'd love to try the Humbrol liquid mask (sounds a lot like the Gunze I'm used to), I would ... but unfortunately, the few LHS's that are within reach, leave a lot to be desired in terms of the scope of the hobby supplies that they order.

Scott
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John Thompson
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Hero
[ * ]
If you really want to salvage those brushes, try some lacquer thinner. It dissolves almost anything.

John
i cant brain today - i have the dumb
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Chuck1945
Hero
[ * ]
Partial hijack but still on liquid masks

I recently used the Gunze Mr Masking Sol on a canopy. I masked the outline with tape and filled in with the liquid stuff, trying to apply it relatively thick (my bottle has an applicator brush that really globs it on). By the time I had done all the painting, gloss coat for decals, decals, and final flat coat, the solution had been on for at least a month, perhaps six weeks. When I attempted to remove it all, some peeled off, but I had to use a wet toothbrush to scrub the remainder off. Is there a time limit for leaving the stuff on?
Chuck
Eastern WA, USA
Finished 2018:
Eduard Spitfire IXc, VIII, Monogram/Starfighter BFC-2
On the active bench:
Eduard Bf 110C, Hasegawa B-24D, SH P-40E
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Greenshirt
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Tim Holland, Southern MD - USA
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I use liquid masks quite a bit. I have older brushes that I use, and yes they clean up just fine with lacquer Thinner.

Some of the masking fluids have ammonia in them so can react with some solvent based acrylics or Future (canopies). I've found that Humbrol doesn't and none of them react with true water based acrylics like Humbrol, Vallejo or Model Master Acryl.
Tim Holland

I'm a "green shirt" because I work on the carrier's flight deck and maintain US Navy aircraft. Safe sorties are my life so we can be anywhere, anytime -- from the Sea.

http://greenshirt-modeler.blogspot.com/
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kingofmen
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Least
[ * ]
I guess I've avoided the issue altogether, since when I use the masks with just an outline, I just fill in the spaces with freehand Tamiya yellow tape.
Kevin Callahan
Auburn WA USA
Visit the re-energized 72 Land blog at http://72land.blogspot.com/
All hail 1:72!
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tigermoth
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Wayne Brinker, Langley B.C.
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Firstly, this is of no assistance, sorry.
I have not used masking fluid for many years, but at the time I used a brand the name of which I can't recall (Grumbacher/Windsor Newton??). It worked well and came from an art/craft supply store. Artists are able to use it on quite fragile surfaces, so perhaps it may work for those whose LHS have nothing appropriate. maybe?
Wayne Brinker, Langley B.C.
De gustibus non est disputandum.
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