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In page Antimony:

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Three other applications consume nearly all the rest of the world's supply.[1] One application is as a stabilizer and catalyst for the production of polyethylene terephthalate.[1] Another is as a fining agent to remove microscopic bubbles in glass, mostly for TV screens;[2] antimony ions interact with oxygen, suppressing the tendency of the latter to form bubbles.[3] This also prevents discolouration. The third application is pigments.[1] Antimony also helps to maintain color stability and surface smoothness when it is used with certain types of ceramics and enamels.[citation needed]