Zirconium Silicate Opacifier

Prepared opacifier powder made from zirconium silicate, used to create opacity in ceramic glazes and tiles. It scatters light during high-temperature firing to produce white or pastel finishes. Falls under HTS 3207.10.00.00 as a prepared opacifier for the ceramic industry.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+35.0%38.1%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪Germany3.1%+10.0%13.1%
🇯🇵Japan3.1%+10.0%13.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2839.19.00.00Lower: 36.1% vs 38.1%

If imported as pure chemical compound without preparation

Separate chemically defined silicates are excluded by chapter note (a) and classified in Chapter 28.

3207.20.00Higher: 39.9% vs 38.1%

If in form of glass frit powder with opacifying properties

Glass in powder form used similarly falls under the glass frit subheading.

6903.20.00Lower: 35% vs 38.1%

If pre-mixed into finished ceramic glaze

Completed vitrifiable enamels and glazes are classified as ceramic products in Chapter 69.

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Import Tips & Compliance

Request certificates confirming opacifier purity and particle size suitable only for ceramic firing processes

Label shipments clearly as 'ceramic industry opacifiers' to prevent reclassification as general chemicals