Chemistry - Paints and pigments


Pigments are coloured substances used in paint. Paints are a type of mixture called a colloid. They contain several components, including the pigment, a solvent and a binding medium.

Paints contain these ingredients:

  • a pigment - gives the paint its colour
  • a binding medium - a liquid polymer that hardens to form a continuous layer when the paint dries
  • a solvent - dissolves the binding medium and makes the paint more fluid.

Paints are a type of mixture called a colloid. In a colloid, particles of one substance are mixed and dispersed with particles of another substance - but they are not


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