Magnesium Aluminate Spinel from Canada
Synthetic magnesium aluminate spinel (MgAl2O4) powder or granules for transparent ceramics in armor and windows. Classified as aluminates under HTS 2841.90.40.00, as inorganic salts meeting Chapter 28 criteria before sintering. Purity 99.9%, particle size <1 micron.
Duty Rate — Canada → United States
13.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• XRD pattern confirming spinel phase; ITAR check for armor apps
• Pitfall: sintered forms to 6903
• Moisture-proof packaging critical