These come in a wide variety of types and combinations. Waterborne paints most often use acrylic emulsion polymers as binders. Resin – the binder to hold the pigment particles together and provide adhesion to the surface painted. The other group of pigments is called ‘Extender Pigments’ and includes Calcite (Calcium Carbonate), Talc (Magnesium Silicate), Mica, Barytes (Barium Sulphate), etc. One called ‘Prime Pigments’ includes pigments such as Titanium Dioxide (white), Chrome Green Oxide, Yellow and Red Iron Oxides, etc. Pigments are usually divided into two groups. Pigment – to provide colour, hiding and control gloss. Paint typically consists of pigment, resin, solvent and additives: Paint is more than just the colour though it is a material that is applied as a liquid and dries by a variety of chemical processes to a solid. To most people, paint is the colour on the walls of their home, the colour of their car, boat or caravan.
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