6903.90.00.50/Magnesium Oxide Crucible/Japan

Magnesium Oxide Crucible from Japan

MgO ceramic crucible for rare earth metal melting, offering superior corrosion resistance. HTS 6903.90.00.50 applies to this fired refractory oxide vessel, distinct from basic brick forms.

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

• ASTM C373 water absorption test proving refractory body; declare calcination process details; separate from bone china via >3% absorption confirmation