Oil paint is a type of slow drying paint that is made up of particles of pigment suspended in a drying oil, most common is linseed oil. Oil paints have been used as far back as the twelfth century in Europe for simple decoration.
Some of the paint pigments are toxic. For example, Paris Green contains copper, acetoarsenite and arsenic sulfide. I don’t recommend hand grinding pigments unless you aren’t able to get paint already mixed and supplied in a tube. It’s messy for one and again some of the pigments are toxic. Egg tempera painting was used before the late fifteenth century either whole yolk or white can can be used as a pigment binder. In other words if you have the raw powder of paint in it’s pure form you could use the white of an egg to mix it and use what you incorporate together in a bowl.
There are many different brands of Oil Paints and they differ in consistency. I’ll name a handful of paints here to give you an idea of the different brands. Bob Ross brand of oil paint has a much thicker consistency than Georgian made by Daler Rowney. Georgian brand has the creamy mixture like toothpaste where as the Bob Ross brand of paint is thicker.
Windsor & Newton makes oil paint but so does Utrecht, Grumbacher, Daler Rowney and a few others. I’ve found that Utrecht and Da Vinci brands seem to be more on the expensive side. Paints come in color sets with 6 to 10 or 12 colors and range from $20.00 dollars to as high as $73.00 dollars. I’ve used Georgian brand made by Daler Rowney for 16 years and have never had a problem. For more information you can go to Daler-Rowney’s website: http://www.daler-rowney.com.
On to the different kinds of oil. Linseed oil is used the most in paints but there are other types of oils. Linseed oil is made from the seeds of a flax plant. It adds gloss and transparency to paints. Safflower oil, poppy seed oil and walnut oil are known as typical drying oils. Turpentine drys by vaporizing but drying oil drys by the oxidization. These oils bonds the pigments and gives a glossy look to the oil colour. For more information on oils you can go to: http://www.cad-red.com/mt2/oil.html.
I very rarely dip my paint brush into extra oil for my paintings. I’m not a fan of thinning my paint out. The use of extra oil is strictly up to the Artist and his or her preferences.
If you need additional information about paints and oils feel free to e-mail me; I’d be happy to answer your questions. Dick Blick is one of the art suppliers I trust and they stand behind their products. One time a piece of canvas that I ordered was damaged upon shipment. When I called there were no questions asked. They sent me a brand new one free of charge.