Laboratory Grade Platinum Sponge from China
High-surface-area platinum sponge for analytical chemistry reductions and hydrogen absorption studies. Classified HTS 7110.11.00.20 as unwrought platinum in sponge form, suitable for lab-scale catalyst preparation. Distinguished from powder by particle morphology per subheading notes.
Duty Rate — China → United States
25%
Rate breakdown
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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide material safety data sheets noting pyrophoric nature of fine sponge
• For small quantities, consider research exemptions but declare full commercial value
• Validate against Chapter 98 provisions for scientific instrument imports