Zinc Dust for Chemical Precipitations
Ultra-fine zinc dust condensed from vapor with spherical particles where 85% pass a 63-micron mesh and containing 88% metallic zinc, used in chemical reactions for precipitating metals from solutions. 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.
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 zinc dust is mixed with other chemical reagents
Prepared chemical products for industrial use are classified in Chapter 38.
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
• Confirm the product is pure zinc dust—if formulated with other reagents, classification may shift
• Provide a certificate of analysis showing particle size and zinc content
• Check if the product qualifies for duty-free treatment under the Most-Favoured-Nation tariff
Related Products under Tariff item 7903.10.00
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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.
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.