Strontium Metal Powder from Mexico
Fine powder of high-purity strontium metal for use in pyrotechnic compositions and metal matrix composites. Classified in HTS 2805.19.10.00 as elemental alkaline-earth metal in powder form, subject to Chapter 28 notes excluding organo-inorganic compounds.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Classify as Division 4.2 spontaneous combustion material; require explosion-proof packaging; test for particle size to avoid 3824 mixture classification