Tungsten Disilicide WSi2 Nanoparticles from Japan
WSi2 nanoparticles enhance thermal management in electronics packaging and composites. Chemically defined silicide of tungsten qualifies for HTS 2850.00.10.00 regardless of particle size. Average 50-100nm spherical morphology with >99% purity.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Nano-specific labeling required under TSCA Section 12(b) for >1% nanoparticles
• TEM/SEM characterization mandatory to verify silicide crystal structure
• Static dissipative packaging essential to prevent charge buildup