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Humbrol Acrylics

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  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Humbrol Acrylics
Posted by stikpusher on Sunday, September 09, 2018 10:24 PM

A local shop, Brookhurst Hobbies, recently started carrying the acrylic line of Humbrol paints. I have been a die hard fan of Humbrol enamels for some 30+ years now. But one has to keep their eyes open for new options. So I selected a couple colors that I needed and bought them in order to try them out.

Now they come in a small plastic screw top jar, with a plastic cap, slightly taller than the metal tins for the enamels. A big improvement in packaging right there. 

A short while ago I tried the first one on some brush painting  for a figure. I followed the side label directions and shook then stirred the paint before dipping in the brush.  Let’s just say that my first impressions are very favorable. They hand brush beautifully! Far superior to Tamiya and Model Master in that respect. One coat coverage, with no brush marks. Due to the ease of stirring, they appear to dry and take on the flat sheen of this particular paint quick enough. Better than Vallejo on that point in my experience. I’ll let the paint dry overnite, then check it to see about adhesion and scratch resistance.

I’ll update this thread tomorrow on that point.

 

Has or does anybody here use these paints? And if so, any tips, ideas, or critiques on them regarding airbrushing? Or any other feedback on them?

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Monday, September 10, 2018 10:01 PM

First thing this morning I took a look at my test figure. The paint dried dead flat in typical Humbrol fashion. Perhaps a tad bit rough or grainy, but certainly one of the best one coat no brush marks finishes that I’ve gotten from an acrylic paint. This evening, giving the paint a good 24 hours or so to dry and cure, I checked on adhesion/scratch resistance using my fingernail. Pretty good adhesion and scratch resistance. This paint reminds me of some of the older acrylics that were on the market years ago for figure painting. So far I’m really liking these paints.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    April, 2003
  • From: USA
Posted by keavdog on Tuesday, September 11, 2018 1:33 AM

Hey Stick - how do they airbrush?  Very interested.  I do love the dead flat finish of acrylics but I have struggled with them when airbrushing - I suppose like most.

Thanks,

John

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Tuesday, September 11, 2018 7:57 AM

Keav, I have not yet had the chance to try them in my airbrush. Perhaps this weekend I can do that. All I can say at this point is that for brush painting is that they are the best acrylics that I have yet used. At least this one color. LOL! We shall see how the problem colors like flesh and yellows go. I’m pretty much every brand, enamel or acrylic, those colors rarely give one coat proper coverage. 

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Tuesday, September 11, 2018 9:58 PM

So here is the results of the first test. The figure is from the Tamiya Leopard 1A4. (ignore the flesh color, that is a Badger paint that I picked up at a local Railroad Hobby Shop to try out) Anyways, as you can see, the paint dried dead flat. 

 

 

I allowed it to dry overnite and then tried a scratch test (fingernail and light to moderate pressure) about 10 hours later. At that time, it scratched off, like most every other acrylic that I have ever used. Roughly 14 hours after that and 24 hours after first application I tried the same scratch test again and this time, it was highly scratch resistant. This evening, roughly 48 hours after application, I tried an adhesion test with burnished down masking tapes. First Tamiya tape, and no lifting, then I tried 3M Blue tape and got two tiny spots to lift one time in two attempts. 

 

 

The scratch off area is on the right upper portion of the boot and the lift from the 3M Blue masking tape on the left. This is on a 1/35 figure, so the lifting is minimal.

 

I’ll update more once I try these paints in an airbrush.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Monday, September 17, 2018 5:31 PM

So today was the first attempt at airbrushing these paints. Among other things I wanted to check out, was compatibility with other thinners besides Humbrol’s own acrylic thinner. That would be a no brainer.  :headslap:  

So my first attempt was made using Testors Universal Acrylic Thinner. Why that one? Because is at widely available at Hobby Lobby, and any other store/shop that carries the Testors and/or Model Master lines. 

 

 

 

So I used a stainless steel cup to try mixing Humbrol acrylic and Testors Universal Acrylic Thinner. I mixed at a 50/50 ratio of paint to thinner and the two mixed flawlessly. No obvious incompatibility.

 

 

I cleaned up my mixing cup and then went to the paint cup and again mixed up another batch at the same 50/50 ratio for airbrushing. For this test I used my Badger Anthem 155 at about 18 psi air pressure. I am using Satin White, as white is one of the most difficult colors to airbrush. I did no prep work on the plastic such as a wipe down, and I used no primer. Due to the high Thinner to paint ratio the paint went on very translucent, and also it behave like older acrylics such as Gunze Aqueous and Polly S. Also due to the high thinner ratio I experienced some pooling an low areas. But that is typical of white as well. It is a tough color to airbrush on (in my experience) with no surface prep or primer. On the plus side, I experienced no tip dry problems what so ever, and clean up was a breeze with Windex. I am also noticing that these paints do not dry as quickly  surface as say Tamiya. Perhaps with a different thinner, or thinner to paint ratio that will change.

 

 

I’ll check on adhesion and scratch resistance tomorrow after the paint has time to dry and cure.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    November, 2008
  • From: Central Florida
Posted by plasticjunkie on Monday, September 17, 2018 6:31 PM

I have never seen Humbrol acrylics. I have heir enamels which are very good quality. Good review so far stik.

I picked up some MMP paints and thinner to try them out sometime this week.

 GIFMaker.org_jy_Ayj_O

 

 

Too many models to build, not enough time in a lifetime!!

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Monday, September 17, 2018 10:33 PM

Thanks PJ. I think that you will like the Mission Models paints. They are good paints in my experience.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Tuesday, September 18, 2018 3:19 PM

So nearly 24 hours after I airbrushed the Satin White on my “test mule”, I tried some adhesion tests with 3-M Blue masking tape and Tamiya masking tape. In both cases, perfect adhesion for the paint over an unprimed and unpreped surface. I then tried a scratch test using my fingernail. With light to moderate pressure, a very scratch resistant surface. Almost like enamels in scratch resistance. With increased pressure, I was able to scratch thru the paint down to the bare plastic. Close, but no cigar. But then again, I have yet to encounter ANY acrylic paint brand that is 100% scratch resistant inside of 24 hours.

 

I did take a couple of photos, but this is after I had sanded the scratched areas a bit to feather the edges and get those areas ready for another coat of paint to be applied by airbrush.

 

 

 

More updates soon...

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    November, 2008
  • From: Central Florida
Posted by plasticjunkie on Tuesday, September 18, 2018 7:50 PM

It probably gets tougher within a few days curing time. Acryl and Vallejo will scratch easily, at least this one you had to get aggressive with to make a dent.

Great research going on.

 GIFMaker.org_jy_Ayj_O

 

 

Too many models to build, not enough time in a lifetime!!

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Tuesday, September 18, 2018 7:55 PM

Thanks for sharing your results of these ongoing tests. Interesting stuff...

-Greg

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Tuesday, September 18, 2018 8:32 PM

PJ, I would agree there on more toughness with longer curing time. But this was a “Satin” finish color, so less grain or grit to snag on my nail as I dragged it across the surface. 

Greg, you’re quite welcome and thank you for looking in and commenting. It’s kind of fun to do these experiments. I just wish that I had more time in one spot to get them in.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    March, 2003
  • From: Towson MD
Posted by gregbale on Wednesday, September 19, 2018 4:38 PM

Stik, many thanks for posting this thread! Humbrol were my absolute favorite 'back in the day' for their glass-like smoothness and ease of use...as well as their color range. When I returned to the hobby after a spell away about a dozen years ago, I switched to acrylics and went with Tamiya...with which I have been generally quite happy. But I will excitedly give anything by Humbrol a try...particularly as your 'lab work' is so encouraging!Bow Down

Greg

 George Lewis:

"Every time you correct me on my grammar I love you a little fewer."

 

"

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Wednesday, September 19, 2018 5:49 PM

Thank you Greg. I’m really liking these paints so far. With all the talk of enamels going away one of these days, you gotta keep your eyes and options open. 

Now if these become widely available at more than one shop locally, I’ll be a very happy camper.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    May, 2018
  • From: Commonwealth of Virginia
Posted by VA Spartan on Monday, September 24, 2018 4:37 PM

I second your comments with how well Humbrol Acrylics brush paint.  I messed around with them for a while and found for me painting wet (with water) worked best - the coverage excellent, no brush marks, and excellent leveling.  My experience airbrushing them was hit and miss though with their own thinner.  For airbrushing Tamiya’s X-20a worked best ironically. I am glad to hear others like them.

On the workbench: 1/35 Takom T-54B; 1/35 Tamiya Char B1bis w/French Infantry; 1/48 Tamiya Fairey Swordfish Mk. 1

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