3207.40.50.00/Lithium Glass Granules for Porcelain Flux/Japan

Lithium Glass Granules for Porcelain Flux from Japan

Low-expansion lithium glass granules acting as flux in high-fire porcelain bodies. Reduces firing temperature while maintaining translucency, under HTS 3207.40.5000 for ceramic use.

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 coefficient of thermal expansion data matching porcelain bodies

• Specify granular form prevents dust hazards in mixing

• Avoid chemical lithium compound classification with glass analysis