3207.40.50.00/Fluorine Glass Granules for Matte Glazes/Japan

Fluorine Glass Granules for Matte Glazes from Japan

Fluoride-containing glass granules producing microcrystalline matte glazes on stoneware. Controlled devitrification creates unique textures, HTS 3207.40.5000 glass for ceramics.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Provide fluorspar equivalent analysis and controlled crystal growth data

• Ensure ventilation requirements noted for hydrogen fluoride emissions

• Specify stoneware temperature range (1100-1250°C)