Zinc Dust for Rubber Vulcanization
High-purity zinc dust produced by condensation of zinc vapor, featuring spherical particles finer than 63 microns, used as an activator in rubber vulcanization processes. It meets the subheading note 1(c) definition of zinc dust, with over 85% metallic zinc and at least 80% of particles passing a 63 μm sieve.
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 zinc powder or does not meet the dust definition.
The subheading note 1(c) definition of zinc dust requires vapor condensation and specific particle size.
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
• Provide sieve analysis results showing 80% passage through a 63 μm mesh
• Confirm the metallic zinc content is at least 85% by weight
• Document the vapor condensation production method for customs classification
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. It meets the subheading note 1(c) definition of zinc dust, requiring at least 80% by weight to pass a 63 μm sieve and at least 85% metallic zinc.
Anti-Corrosion Zinc Dust Primer Additive
Industrial zinc dust for epoxy primers, condensed from vapor with 89% zinc content and 82% of particles under 63 microns per sieve analysis. It qualifies as zinc dust under subheading note 1(c) because it is obtained by condensation of zinc vapor and meets the particle size and metallic zinc content thresholds.
Battery Manufacturing Zinc Dust
Specialty zinc dust for alkaline battery electrode preparation, vapor-condensed with 87% zinc and particle distribution ensuring 80% passage through a 63-micron sieve. This product meets the subheading note 1(c) definition of zinc dust, which requires at least 80% by weight passing a 63 μm sieve and at least 85% metallic zinc.
Catalyst Activation Zinc Dust
Reactive zinc dust for activating hydrogenation catalysts, vapor-condensed with particles under 10 μm spheres and 96% metallic zinc. It satisfies the subheading note 1(c) definition of zinc dust, including the 80% passage through a 63 μm sieve and the 85% metallic zinc content requirement.
Cosmetics Micronized Zinc Dust
Pharma-cosmetic grade zinc dust, vapor condensed spheres with 99% of particles under 63 μm and 98% pure metallic zinc. It meets the subheading note 1(c) definition of zinc dust, which requires at least 80% by weight passing a 63 μm sieve and 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 μm (all passing a 63-micron sieve), used in electronics for sintering conductive pastes. It meets the subheading note 1(c) definition of zinc dust, including the 80% passage through a 63 μm sieve and 85% metallic zinc content.