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The component of a paint that forms the continuous film is the

  • A.the binder
  • B.the pigment
  • C.the solvent
  • D.the extender

Answer: A

Correct answer: the binder

The binder, or vehicle, is what actually becomes the paint film: it wets the surface, holds the pigment in place and adheres to the substrate. Only the solvent leaves. Pigment gives colour and opacity but cannot form a film by itself, and extenders are cheap solids that modify the properties of the film the binder makes.

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