Help with Humbrol Acrylics

[Snowman]

The Revell acrylics aren't half bad either, I tend use them along with the Tamiya acrylics.

[Guest]

Just to let you all know, The oven cleaner didn't work, even after leaving it 24 hours. I know it works on enamel as I have used it before. I managed however to get the dark grey off by using a worn green scourer from the washing up bowl but the light grey won't shift at all, so have rubbed it down and will try a new coat or two using the airbrush. The other option is to spray it Bronze all over and pretend its a casting.

[Guest]

I've had really good luck removing paint—even automotive primer—with a non-toxic product called Simple Green. Soak and scrub. Simple Green won't attack the plastic.

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[Guest]

Thanks for the heads up on the Simple Green, I think it's a USA product although I have found some on Amazon and Ebay over here in the UK but at £11 ($16) for a single squirty bottle It's a bit pricey. I have now tried with the airbrush, it being a nice day ( I have to airbrush outdoors) but even thinned with 60% thinners I could not get the stuff through the airbrush. I ran thinners, water and enamels through the airbrush and all worked fine but this Humbrol just would not work, so I have gone back to the brush and now its gone on with no problems at all. Oh I could swear!!!

[Alan 45]

That's strange I always use it and never had a problem, I use Mr muscle oven cleaner

[Guest]

Back to basics Barry as these things are not normal happenings.

What airbrush are you using and what needle/nozzle ? What temperature are you working in. What pressure are you working with on the compressor.

Have you tried the manufacturers thinner. Water does not have the dryers retarders or binder that manufacturers thinners have.

Have you had these problems before or is it just this paint batch.

Laurie

[Guest]

Hi Laurie, It's just a bog standard cheapo chinese airbrush. I am using the Humbrol Acrylic thinners and I think that its just this particular pot of paint as I haven't had any problems in the past. I tried all sorts of pressures from 10psi right up to 50+psi and apart from an initial spurt It just wouldn't spray. I also tried a Revell and a Tamiya acrylic and they sprayed fine.

Alan, It could well be the wrong brand of oven cleaner as I have always used Mr Muscle in the past without any problems but now have one of Asda's finest, perhaps the compound is different.

[takeslousyphotos]

I use IPA as a thinner for Acrylics .......... Seems to work ok for me.

Peter

[Guest]

Hi Laurie, It's just a bog standard cheapo chinese airbrush. I am using the Humbrol Acrylic thinners and I think that its just this particular pot of paint as I haven't had any problems in the past. I tried all sorts of pressures from 10psi right up to 50+psi and apart from an initial spurt It just wouldn't spray. I also tried a Revell and a Tamiya acrylic and they sprayed fine.Alan, It could well be the wrong brand of oven cleaner as I have always used Mr Muscle in the past without any problems but now have one of Asda's finest, perhaps the compound is different.

Seems to me just a rogue can of paint Barry. I usually use about 20PSI or airbrushing pending on how much I have thinned. The more the thinner the lower the pressure otherwise it tends to sprout paint Just seems to be one of those unfortunate incidents. Had a few and to be expected at times.

Laurie