Glossary
Glossary
Blanc fixe
Synthetic, precipitated barium sulphate, produced by chemical reaction rather than mined.
Blanc fixe, French for "permanent white", is barium sulphate made by precipitation. It typically has a very fine and uniform particle size and high whiteness. It is used in paints and varnishes, as a filler in printing inks, plastics and rubber, and as a coating pigment for paper.
In customs classification, precipitated barium sulphate falls under chapter 28 (chemicals), while natural barite falls under heading 2511.
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