Strontium Monoxide Technical Grade from Japan
Technical grade strontium monoxide (SrO) is used in ferrite magnets and television glass production. Classified in HTS 2816.40.10.00 for its chemical definition as a strontium oxide.
Duty Rate — Japan → United States
4.2%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Request binding ruling from CBP for technical vs. analytical grades to confirm duty rate
• Ensure particle size specs don't qualify as 'doped for electronics' under exclusion notes
• Document end-use to avoid anti-dumping scrutiny in magnet-related imports