I have noticed a number of people mentioning the use of screen wash to dilute acrylics. This may be dumb question of the week but as I am fairly new to acrylics, what advantages does screen wash have over water?
Hi Paul it is all to do with surface tension and the ingrediants of the screen wash , the ratio is by trial and error , some acrylics turn to mud , and it cannot be used as a thiner . So the order of the day is experiment to find correct ratio and air pressure . cheers ian
i know at lot about nothing and nothing about a lot
I've used screen wash and de-ionised (distilled) water to thin acrylics. The screenwash I used is the Halfords blue wash, no special feelings about the stuff really, it's just that I've found something that works so why change it ... or indeed attempt to understand it? .. i'm not a chemist, just a modeller. Don't worry about the blue colour of the wash, it doesn't make any difference to the finished coat, even white.
The de-ionised water came from the condenser clothes dryer, instead of pouring the water away, I simply put some of it into a container for when I wanted to spray, and it was free.
I used to say that enamels were the only paint I would ever use, until I used acrylics for a weathering project, and then I was hooked, so I then had to find a dilution medium that worked, but more importantly, worked for me.
So Paul, experiment matey, make your mistakes on scrap card before you ever attempt to use acrylics on a project. But more importantly, have fun in doing it, and when you're proficient, pass on what you've learned, that's what modelling is all about.
Now then, time I tried this pre-shading lark, but that's another thread.
have a whole container of that stuff, used it for me battery on me olde car, now with a new one I have not used it, Have been useing thinners at £4 pound a bottle, this is much cheaper.
I spray onto a piece of card before applying to the surface and use very little but often, letting one dry before attempting another coat. I find the secret is letting it be for as long as possible, so do more than one kit at a time, so as to not get bored.
Dont worry I try everything about 10 times before I commit to plastic. At the moment it is not really something I need to use as I have been firmly bitten by the Vallejo Model Air bug and they spray direct from the bottle, only had an issue with one session that resulted in a mess but that was my fault for rushing.
I just wondered what properties screen wash had over normal or indeed deionised water thats all.
When I use acrlyics to brush with (normal vallejo range) they do need thinning as they are far too thick to use from the bottle so I have been using cooled boiled water, I guess Ill give the screen wash thing a go although the only stuff I have is the Halfords pink wash as opposed to the blue - just trying to get in touch with my feminine side!
its simple really screen wash has various detergents in it which make excellent carriers when it comes to paint . if you take ordinary water or deionised it isnt slippy but screen wash is so it therefore carries the paint much easier than water by lubricating the line as it goes . hope that sounds right cos im not a technical kinda guy . costs a d**n sight less than arcylic thinners too i use B&Q own brand in 1 lt bottles
Eh up .... Senter, you say Vallejo paint is too thick to brush "out of the bottle" but sprays OK as is. This is entirely base-over-apex relative to the received wisdom to date. Now my spraying (other than area blasting through my old Humbrol scent-spray substitute) has consisted of: 1. Set up & load up 2. Spray back of booth to check it works 3. Stop with a splat 4. Spend 20 mins. cleaning the airbrush 5. Try again with more dilution 6. Go back to stage 2 and repeat (7..... Repeat and nauseam.)
Obviously I'll have to try the sample Vallejo pot I bought. Can't keep brushing for ever! ..... cheers, Bri.
IPMS No.288 (The number that put the "junk" in "Junkers") Specialist in WWII aircraft, esp. Allied and operational; runs USAFsWWIIsig Still brush-painting after all these years 1/72 with excursions to 1/144
Not really. There are two Vallejo Ranges that I use. Vallejo Model Air which, as the name suggests can be sprayed direct from the bottle. Vallejo Model Colour however is a 'brush' paint that needs a little thinning before use. They also go a Game range for those wizards and warlocks amongst you.
Check which one you have - Model Air has a black lid and model colour has a white one - not sure about the Game Colour as I dont have any.
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