Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Barium Sulfates

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_1076

n (barites, blanc fixe, heavy spar, permanent white, terra ponderosa) BaSO4. A white powder obtained from the mineral barite or synthesized chemically. One of the synthetic varieties, blanc fixe, is made by mixing aqueous solutions containing sulfate and barium ions. As a filler in plastics and rubbers, barium sulfate imparts opacity to X rays but only a low order of optical opacity. Thus it is useful as a filler when it is desired to increase specific gravity without adversely affecting the tinctorial power of pigments. (Ash M, Ash I (1998) Handbook of fillers, extenders and dilutents. Synapse Informtion Resources, Inc., New York).

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© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA