Cupel Refractory Dish from Japan
Bone ash cupel for precious metal assaying in cupellation furnaces, absorbing base metals. Explicitly named refractory ceramic under HTS 6903.90.00.50.
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 bone ash >25% for distinction; lab use declarations; small package exemptions possible