</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Ground Borosilicate Glass Powder from Japan

Fine powder obtained by grinding borosilicate glass, used in high-temperature ceramic glazes and glass enamels. Falls under HTS 3207.40.10.00 for pulverized glass preparations in the ceramic and glass sectors. Known for thermal shock resistance in frit formulations.

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%

Import Tips

Certify boron content and thermal expansion data to distinguish from common glass powders

Ensure dust-proof sealing on pallets to meet IMO hazardous materials if fine particulates