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Making Casein Paint: Titanium White

July 21, 2017

I’ve been wanting to get back to using one of my favorite paint mediums for awhile, casein. I took an inventory of the tubes I had available for my next project, and noticed I was short or low on a few colors, particularly titanium white, so it’s time to make some more.

I have a bathroom next to my studio space that I use exclusively for this type of work, so I clean off an area by the sink, and set up my tools and supplies. I have a large sheet of textured glass that I use for mixing the paint. There’s a mortar and pestle for smoothing the dry pigment, an empty tube for the paint, a squirt bottle of distilled water, about 4 ounces of casein binder, and white pigment.

The pigment is a little lumpy, so I use the pestle to break it down some, and place about 2.5 tablespoons of pigment on the glass with about 2 teaspoons of binder and just enough water to get the consistency of paint I want, and spend a few minutes with the spatula smoothing it out.

I test the paint I’ve mixed to see if it spreads easily with a brush without having to add any water, and check the opacity on this sheet of colored paper. It looks fine, so I repeat these steps about 2 more times to make more paint to fill the tube.

There’s enough paint now to fill up this 50ml tube and another 22ml. I seal the ends by squeezing it shut at about 1/2 inch below the end. to give me enough room to crimp.

I fold over a little of the end, and crimp it tight with some pliers, and repeat this about 2 more times to get a tight seal.

Here I have two tubes of white casein labeled and ready to use.

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