Published: | Updated: June 12, 2020

Definition - What does Diluent mean?

A diluent refers to any liquid substance that is mixed with a coating to reduce its viscosity and increase its flow rate. The addition of a diluent to coatings allows for easier application on metal surfaces for corrosion prevention.

Corrosionpedia explains Diluent

Diluents reduce the viscosity and the density of the coating before it is applied. Adding diluents allows coatings to flow smoothly through holes or other crevices.

Examples of common diluents include:

  • Water
  • Kerosene and diesel
  • Benzene and phenol
  • Thinners and reducers

These substances also have efficient grease and static reduction properties that are particularly useful for surface preparation.

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