Strontium Sulfite Powder from China
Strontium sulfite (SrSO3) powder for pyrotechnics and specialty ceramics. Under HTS 2832.20.00.00 as a rare earth-adjacent sulfite, excluded from radioactive elements in 2844.
Duty Rate — China → United States
40.6%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Declare end-use; pyrotechnic applications require BATF import license
• Purity >98% needed for ceramics; impurities shift to waste classifications
• Radioactivity testing mandatory per Chapter 28 Note 6 for strontium compounds