Zinc dust
Aluminum foil (whether or not printed or backed with paper, paperboard, plastics or similar backing materials) of a thickness (excluding any backing) not exceeding 0.2 mm. > Not backed: > Rolled but not further worked > Zinc dust
Duty Rate (from China)
Subheadings
Products classified under Tariff item 7903.10.00
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. 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.
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. It qualifies as zinc dust under subheading note 1(c), which requires at least 80% by weight passing a 63 μm sieve and at least 85% metallic zinc.
Galvanizing Flux Zinc Dust
Fine zinc dust for hot-dip galvanizing flux formulations, condensed vapor particles all under 50 microns with 90% metallic zinc content. 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.
Metallurgical Grade Zinc Dust
Spherical zinc dust from vapor condensation, with 90%+ metallic zinc purity and particle size predominantly under 63 microns, applied in metallurgy for alloying and surface coating. It strictly adheres to the subheading note 1(c) definition of zinc dust, including the 80% passage through a 63 μm sieve and 85% metallic zinc content.
Paint Grade Zinc Dust
Fine spherical zinc dust from zinc vapor condensation, 92% metallic zinc with 90% of particles below 63 microns, essential for anti-corrosive primers and metallic paints. 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.
Pharmaceutical Zinc Dust USP Grade
Ultra-pure zinc dust meeting USP standards, produced via vapor condensation with over 97% metallic zinc and particles 80%+ through a 63-micron sieve, used in pharmaceutical ointments and topical preparations. It qualifies as zinc dust under subheading note 1(c), which requires at least 80% by weight passing a 63 μm sieve and at least 85% metallic zinc.
Pyrotechnic Zinc Dust
Reactive zinc dust from zinc vapor, ultra-fine spherical particles (95% under 63 μm) with 93% metallic zinc, used in pyrotechnics for flash effects and fuels. It satisfies all subheading note 1(c) criteria for zinc dust, including the 80% passage through a 63 μm sieve and 85% metallic zinc content.
Surface Treatment Zinc Dust
Fine zinc dust for metal surface passivation and galvanizing activation, featuring vapor-condensed spherical particles (85% under 63 μm) and 91% metallic zinc purity. It is directly classified under subheading note 1(c) as zinc dust, meeting the 80% sieve passage and 85% metallic zinc requirements.
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. 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.
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.