6903.90.00.10/Clay Cupel for Assay/Japan

Clay Cupel for Assay from Japan

Small clay cupels used in precious metal fire assaying to collect beads. Traditional fired clay construction fits 6903.90.00.10 as explicitly named refractory goods.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Include assay process description to justify refractory classification

• Declare quantity per standard assay set for valuation

• Distinguish from common lab porcelain (6909)