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 Drying Time Tests and Cross-Brand Color Comparisons

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Jim
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Join date : 2009-12-28
Location Location : Cody, Wyoming

PostSubject: Drying Time Tests and Cross-Brand Color Comparisons   Thu Jul 15, 2010 11:41 am

Hi All;

First a very huge caveat; these tests were unscientific and there is lots of
room for error (and even some room for mistakes ).

I made a number of color swatches and lightly touched them (in different areas)
after 1, 2, 3 and 4 days to see if they were dry. One of the biggest areas for
inconsistencies was variation in the thickness of the paint application. There
is a lot of data and I'm just putting a summary of it here. I'm also working on
a spreadsheet to give a more complete presentation of the data and will put
that on my web site. I'll post on this thread when I get that done.

Cobra Paints: 21 colors tested; average dry-to-light-touch time 2.4 days.
Artisan paints: 11 colors tested; average dry-to-light-touch time for nine
colors, 3.2 days (two were not dry after 4 days).
Duo Aqua paints: 6 colors tested; three averaged 3 days to dry, three were not
dry after 4 days.
H2Oils: 3 colors tested; one dry in four days, two not dry after 4 days.

Obviously there were not enough tests of the Duo Aquas or H2Oils to give
meaningful results. As well as testing drying times, my tests were made to
compare colors across brands, especially for those colors in my palette. I also
made the same tests with white added to the pure tube colors. The results for
the latter will be included in the spreadsheets. I'm still evaluating the data
and I will likely make some additional tests. I'll post my test conclusions
(and any resulting changes in my palette) in this topic.

I look forward to seeing others' comments on their experiences with drying
times and brand color comparisons.

Okay, I tried to include some summary data, but can't get the formatting to
work . Rather than spend more time on
this, I'm going to turn to the spreadsheet for the web site. More soon!



Regards,
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judyfilarecki
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Join date : 2009-11-16
Location Location : Northern NY and Southern Arizona

PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Thu Jul 15, 2010 11:55 am

Jim,
Thanks for all the info. I went back to your website to see what is new since I last visited it. I especially enjoy your section on painting process and how you develop a painting such as the antelope.
i look forward to seeing more.
Judy

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judy-filarecki.artistwebsites.com***filarecki.com ***judyfilarecki.hubpages.com/
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Jim
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Join date : 2009-12-28
Location Location : Cody, Wyoming

PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Thu Jul 15, 2010 7:15 pm

I've got some test details up on my website. go to http://www.jmossmanart.com/600-Paint/620-Technical-Matters/tests-home.html to get a look at them.

By the way, I contacted Daniel Smith's and asked if they had any plans to introduce WMOs. Their word; "Not at this time."

Happy hot weather!
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Crystal1



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Join date : 2010-02-05
Location Location : Ft Worth, TX

PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Thu Jul 15, 2010 8:54 pm

Strangely enough I contacted Royal Talens about 9 months ago and asked them why they didn't make a high quality WMO like Rembrandt. They never answered me directly, but they must have already been working on them, since I'm painting with them now.
Dayle
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Jim
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PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Fri Jul 16, 2010 6:57 pm

All;

I finally got the rest of the test results up on the website ( http://www.jmossmanart.com/600-Paint/620-Technical-Matters/tests-home.html ). Adding white varies drying times from color to color, but on average the Cobra white increases drying time by about a half day. For Artisan white the results are all over the place, so there doesn't appear to be a trend. Doing the tests was fun as is looking at the results. Now making and formatting the charts ..... well, not so much .

Judy;

Thanks. Intuition doesn't always work, so it helps me to go back and figure out what went right and why. Then maybe I'll remember it next time.

Regards,
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Callie
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Location Location : St. Louis, MO USA

PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Sat Jul 17, 2010 12:02 pm

Thanks for sharing that, Jim
I bought some Duo Aquas a few years ago just because they claimed to dry (touch-dry) within 24 hours. I thought they'd be good for plein-air painting since they would set up quickly without needing an additional medium to speed the drying. So it's not my imagination - they don't dry any quicker than the other paints.
You've got a really nice website, I enjoy nosing around on there!
New and improved happy hour Sounds good to me!
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judyfilarecki
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PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Sat Jul 17, 2010 5:42 pm

Callie while you're celebrating, Happy Birthday
Judy

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Janet
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Location Location : North Bay, Ontario Canada

PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Sun Jul 18, 2010 7:09 pm

Jim Thank you so much for sharing your results! cheers

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Janet
http://janet-coloredpencil.blogspot.com/
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Crystal1



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Location Location : Ft Worth, TX

PostSubject: Re: Drying Time Tests and Cross-Brand Color Comparisons   Sun Jul 18, 2010 7:27 pm

Yes, thank you Jim!! I appreciate your information.
Dayle
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