Magnesium Oxide for Electrical Insulation from Japan
High-purity magnesia powder pressed into ceramic insulators for heating elements. Classified HTS 2519.90.50.00 as other magnesium oxide before final ceramic forming.
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
• Purity specs (>98% MgO) and dielectric strength data support electrical grade
• Import as powder, not preformed shapes which may be Chapter 85 parts
• Sintering temperature info distinguishes from dead-burned