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Drawing, Painting and Design, Modelism Many modellers use pigments (coloured powders) and pastels, but they also have a lot of difficulty in knowing how to use them correctly: they remain a bit of an enigma. With this article I will try not only to explain how to use them, but also what they are and where they come from. So let's discover the secrets of pigments. Pigments are essentially coloured powder, and are used to produce a full range of colours. We can say pigments are a primary material, like petroleum or coal. Using this powder, manufacturers produce all types of paints and colouring material: enamels, acrylics, pastels, chalks, coloured pencils, oils, etc. The only thing that you need to add to the powder in order to make a type of paint is an agglutinant. This varies between products: oil is the agglutinant type used for oil paints, whereas Arabic rubber is the type used for pastel chalks; but the powder always stays the same. Pigment powder is extracted from different minerals, such as magnesium, titanium, zinc, and also from mineral earth.  Run time: 60 min