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A stable material that does not react with other chemicals. Inert minerals and pigments are used as fillers and extenders in paints and as substrates for organic dyes. Examples of inert white pigments and extenders include Gypsum, Barium sulfate, Alumina trihydrate, Fumed silica, and Zinc oxide.

Synonyms and Related Terms

inert materials (AAT)

Resources and Citations

  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998