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Tin Oxide Prepared Opacifier

A dispersed tin oxide preparation that provides opacity in high-fire ceramic glazes, commonly used for sanitaryware. It remains stable at cone 10 temperatures. HTS 3207.10.00.00 covers this as a prepared opacifier for enameling.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+37.5%40.6%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

2825.90Lower: 16.2% vs 40.6%

If imported as pure tin oxide chemical

Chemically defined inorganic compounds are excluded per chapter note (a).

3210.00.00Lower: 39.3% vs 40.6%

If for use in vitreous enamels on metal

Similar preparations specifically for metal enameling may fall under 3210.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Obtain technical data sheets proving it's prepared for ceramic opacity, not paint dispersion

• Comply with REACH regulations for tin compounds; include toxicity data in import docs