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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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