Electronics Sintering Zinc Dust from Japan
High-fineness zinc dust from vapor process, 86% metallic zinc with spherical particles averaging 10-20 microns (all passing 63-micron), used in electronics for sintering conductive pastes. Meets exact criteria of HTS 7903.10.00.00 subheading note (c) for zinc dust.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Supply SEM images or laser diffraction reports proving spherical morphology and size distribution
• Declare as 'non-pyrophoric' if passivated; active dust requires special UN3077 handling
• For high-tech imports, reference BIS export controls if dual-use concerns arise