| 1. | It is especially used as a refractory and glaze opacifier.
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| 2. | Tin oxide is valued in glazes as both an opacifier and as a white colorant.
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| 3. | Another desirable opacifier is zinc oxide.
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| 4. | The opacifier layers enable the inks of the offset and intaglio printing to adhere to the substrate.
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| 5. | A mask prevents the deposition of the opacifier on parts of the substrate that are intended to remain transparent.
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| 6. | Antimony is used in bullets, bullet tracers, paint, glass art, and as an opacifier in enamel.
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| 7. | With the development of tin glazes, the significant amount of tin oxide indicates its deliberate addition as an opacifier.
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| 8. | Most often, however, a small amount of carbon is used as an opacifier, making a visible smoke trail.
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| 9. | These factors the high refractive index, the low solubility in glazes and the particle size make tin oxide an excellent opacifier.
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| 10. | Zirconium is mainly used as a refractory and opacifier, although minor amounts are used as alloying agent for its strong resistance to corrosion.
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