Ruby Reactive Alumina Powder 99% Al2O3 from Canada
Reactive-grade ruby alumina powder with 99% Al2O3, fine-ground for sintering into advanced ceramics. Classified under HTS 2818.10.20.10 for ruby color and exceptional purity in pulverized artificial corundum form. Used in electronic substrates and wear-resistant parts.
Duty Rate — Canada → United States
1.3%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include BET surface area measurements (>10m²/g) verifying reactive grade
• Certify absence of alpha-phase for reactive classification support