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3207.40.50.00/Opaque Glass Powder for Electrical Porcelain/Japan

Opaque Glass Powder for Electrical Porcelain from Japan

Glass powder creating opacity and insulation in electrical porcelain components like bushings. High dielectric strength for power applications, HTS 3207.40.5000 ceramic preparations.

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

• Include electrical property certifications (breakdown voltage >20kV/mm)

• Specify for steatite/porcelain body formulation, not surface glaze

• Document opacity mechanism via phase separation