3D Printing Zinc Dust Feedstock
Ultra-fine spherical zinc dust optimized for metal 3D printing powder bed fusion, produced via vapor condensation with a tight particle size distribution of 15-45 μm (all passing a 63 μm sieve) and 99.5% zinc purity. This product meets the Chapter 79 subheading note definition of zinc dust, which requires at least 80% of particles to pass through a 63 μm sieve and at least 85% metallic zinc content.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is not vapor-condensed or fails the sieve/purity criteria
Zinc powders and flakes fall under other tariff items in subheading 7903 if they do not meet the specific definition of zinc dust.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product's particle size distribution and metallic zinc content are documented with a certificate of analysis to support classification under 7903.10.00
• Declare the product as 'zinc dust' and be prepared to provide sieve analysis results if requested by CBSA
• Verify whether the product qualifies for preferential tariff treatment under any free trade agreement applicable to your country of origin
Related Products under Tariff item 7903.10.00
Anti-Corrosion Zinc Dust Primer Additive
Industrial zinc dust specifically formulated for epoxy primers, condensed from vapor with 89% zinc content and 82% of particles under 63 microns per sieve analysis. This product qualifies as zinc dust under Chapter 79 because it meets the subheading note criteria of at least 80% of particles passing a 63 μm sieve and contains at least 85% metallic zinc.
Battery Manufacturing Zinc Dust
Specialty zinc dust for alkaline battery electrode preparation, vapor-condensed with 87% zinc and a particle distribution ensuring 80% passage through a 63-micron sieve. This product meets the Chapter 79 subheading note definition of zinc dust, which requires at least 80% of particles to pass through a 63 μm sieve and at least 85% metallic zinc content.
Catalyst Activation Zinc Dust
Reactive zinc dust for activating hydrogenation catalysts in pharmaceutical and chemical synthesis, vapor-condensed with particles under 10 μm spheres and 96% metallic zinc. This product meets the Chapter 79 subheading note definition of zinc dust, requiring at least 80% of particles to pass through a 63 μm sieve and at least 85% metallic zinc content.
Cosmetics Micronized Zinc Dust
Pharmaceutical-cosmetic grade zinc dust, vapor condensed with spheres averaging under 20 microns (99% under 63 μm) and 98% pure metallic zinc, used for pigment-free cosmetics. This product qualifies as zinc dust under Chapter 79 because it meets the subheading note criteria of at least 80% of particles passing a 63 μm sieve and contains at least 85% metallic zinc.
Electronics Sintering Zinc Dust
High-fineness zinc dust from vapor process with 86% metallic zinc and spherical particles averaging 10-20 microns (all passing a 63-micron sieve), used in electronics for sintering conductive pastes. This product meets the Chapter 79 subheading note definition of zinc dust, requiring at least 80% of particles to pass through a 63 μm sieve and at least 85% metallic zinc content.
Flame Retardant Zinc Dust Filler
Zinc dust acting as a synergist in intumescent flame retardants for polymers, vapor-produced with 85% minimum zinc and 80% of particles through a 63-micron mesh. This product qualifies as zinc dust under Chapter 79 because it meets the subheading note criteria of at least 80% of particles passing a 63 μm sieve and contains at least 85% metallic zinc.