Strontium Sulfate Powder from Canada
Strontium sulfate (SrSO4) powder is used in pyrotechnics and ceramics, classified under HTS 2833.29.51.90 as rare earth sulfates. Chemically pure form per Chapter definitions.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• ATF permits if destined for fireworks manufacturing
• Declare purity >98% SrSO4 content
• Moisture-proof packaging for hygroscopic tendencies