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Author Topic: The difference between oils and acrylics  (Read 5532 times)

nolan

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on: October 21, 2011, 11:35:22 AM
Quote
Gwen asks on Facebook
What is the difference between acrylic and oils in technique etc use acrylic at the moment just getting in to oils.

Gwen, as far as the painting techniques are concerned there are absolutely no differences. I use exactly the same techniques when painting in oils and acrylics.

It is just the medium that is different. Oils are oil based paints and acrylics are water based paints. This means that you will thin down your acrylics with water and your oils with an oil based medium.

As the acrylics is water based, it dries a LOT faster that oils, making oils better for the beginner to learn the painting techniques. You do however get retardant gels which slow the acrylic drying process down.

When painting impasto (thick) you will also find that the acrylics tends to flatten as it dries where the oil paints don't. Again you do get an impasto version of the acrylic paints which retain their body once dry. You also get an impasto gel which you can add to your regular acrylics to "convert" them.


Mihaela

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Reply #1 on: October 04, 2012, 12:55:57 PM
I am usually into watercolours and a member of the Club, but recently I received a box of acryllics and I am very tempted to try my hand into those as well. Many years ago, I used a lot of guaches (also water based, I hope I spelled it right) and I was wondering if the acryllics are to be used in the same manner as the guache or the tube watercolours. I know that this is not quite the place for this question, but since you were talking about the differences in mediums... well, maybe you can help me. (And, as a PS, do you have any idea why I can't get to Paint basket's app on the Facebook? Keeps telling me that 'not secure browsing') Thank you, hope you can shed some light.
An interior designer that forgot how to draw


nolan

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Reply #2 on: October 05, 2012, 11:48:21 AM
you can use the acrylics in the same way as watercolours by thinning it down O0
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Mihaela

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Reply #3 on: October 05, 2012, 04:26:03 PM
Brilliant! Thanks, Nolan! I'll try the acryllics and the Facebook works now. Cheers!
An interior designer that forgot how to draw


inkyminx

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Reply #4 on: February 05, 2013, 12:23:18 PM
should have my first set of oils arrive any day now... plus refined linseed oil.... can u use acrylic gesso to prime work surface first then crack on using oils?.. or do u have to used oil based primer.....  :thankyou:


musika

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Reply #5 on: February 05, 2013, 12:32:38 PM
Acrylic gesso is fine for oils and acrylics. Real gesso can only be used for oils.
Ray


ImBatman

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Reply #6 on: February 05, 2013, 12:36:12 PM
Not only that, you can paint some of your painting in Acrylics then go over the top using Oils. But not the other way around.

Batman.
I will have the chance to achieve perfection, when and only when I can remember the future.


inkyminx

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Reply #7 on: February 07, 2013, 05:07:36 AM
Not only that, you can paint some of your painting in Acrylics then go over the top using Oils. But not the other way around.

Batman.

heheheeh yeah thts one point thats well ingrained in my head even have it written next to pc.. O0


lynn p.

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Reply #8 on: February 07, 2013, 05:26:54 AM
Ray--Just FYI, I use real gesso boards all the time and paint acrylics onto them.  The only draw back that some people find is the the real gesso is very absorbent and so I do many layers of paint.  The paint doesn't really set atop the board like with acrylic gesso. Never tried real gesso on canvas.


musika

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Reply #9 on: February 07, 2013, 06:02:44 AM
it is not usual to use an RSG-gesso ground on canvas - it will crack very easily.
Ray


grandmapegi

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Reply #10 on: February 27, 2013, 08:09:23 AM
i just used a water based oil, or called water mixable oil..is this really and acrylic? it does act like a oil when it comes to drying, or is it already mixed with a slow drying medium?
grandmapegi


musika

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Reply #11 on: February 27, 2013, 08:57:56 AM
WMOs are oil paints, not acrylic. Oil paints dry slower than acrylics. You can get quicker drying mediums for WMOs.
What make of WMOs do you use, Pegi? I mainly use Cobra and some Holbein. I have also tried Jackson's, Lukas, and Artisan.
Ray


grandmapegi

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Reply #12 on: February 27, 2013, 02:01:13 PM
i used reeves colors,(on sale)and i quite like them, and grumbacher tit.white water mixable,(i bought a large tube of the white to do my tiger,) and it played VERY well with the regular oils,and acrylic, so when i go next time i will be getting alot more of the water mixable oil paint, and it is alot easier to clean out of brushes, which i also found the master brush cleaner and preserver with a bar of hand soap orignaly b&j this stuff is great..takes all meds off brushes and clothes...haha....getting me the bigger jar next trip!
grandmapegi


voodoolady

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Reply #13 on: May 26, 2013, 05:12:16 AM
I use Atelier Interactive Acrylics.....I love them as a fine mist of water (or their unlocker) will open the paint even  few days later making blending possible.   They also have a retarder you have use to slow drying down and several mediums if needs be....I prefer acrylics because of the fast drying times but have to admit in the middle of an Aussie summer I still have to use a bit of water/retarder.

Years ago I took a few watercolour classes but I found when I took painting up again that I was frustrated by it.  I  used Acrylics for the first time a few months ago and I love them.....I hate the smell of turps and linseed oil (as in it makes me  feel ill.....even the odourless one  :blush:

At least with the Acrylic paint I have now I have the best of both worlds  ;D
Jackie

Whoever said "It's as slow as watching paint dry" was obviously not an acrylics painter


grandmapegi

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Reply #14 on: May 26, 2013, 05:33:07 AM
i to like the acrylics and they do clean quick, and i have a really bad habit of puttin the paintbrush in my mouth to keep a sharp tip......woops :envy: , that aint so good with oils......... :-X i use a slow dri blending medium with and along with the water mist., and it seems to give the finished pic=painting a nice gloss look.
grandmapegi


 

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