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A substance, usually in small quantities, that is added to a base material for the purpose of modifying the properties of the end product. Examples of additives are: antioxidants, inhibitors, accelerators, thickeners, plasticizers, colorants, fillers, emulsifiers, sizes, stabilizers, flame retardants, etc.

Synonyms and Related Terms

additives (pl.); modifier; admixture; Additive (Deut.); additif (Fr.); aditivo (Port.)

Resources and Citations

  • Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
  • ASTM, "Standard Terminology Relating to Paint, Varnish, Lacquer and Related Products", Annual Book of ASTM Standards, Section 6, Paints, Related Coatings and Aromatics, ASTM, D16, 7-Jan, Jul-96
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982

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