Nano Black Iron Oxide Powder
Nanoscale synthetic black iron oxide powder (Fe3O4 nanoparticles), >70% Fe2O3 basis, for magnetic inks and biomedical applications. Its nanoscale size enables unique magnetic properties. HTS 2821.10.0010 covers this synthetic black pigment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped for semiconductor/electronic applications
Doped chemical elements or compounds for electronics fall in 3818, per Chapter Note.
If used in paints and varnishes as colorant
Pigments prepared for paint use shift to Chapter 32 headings.
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Import Tips & Compliance
• Declare particle size (nano range) and provide TEM/SEM analysis to prevent classification as Chapter 38 doped materials
• Comply with emerging nanomaterial reporting requirements in target markets like EU REACH Annex XVII
Related Products under HTS 2821.10.00.10
Synthetic Black Iron Oxide Pigment (Fe3O4)
This is a high-purity synthetic black iron oxide pigment, primarily composed of magnetite (Fe3O4), containing over 70% combined iron evaluated as Fe2O3. It is used in paints, coatings, and plastics for its deep black color and UV resistance. Classified under HTS 2821.10.0010 as a synthetic black iron oxide pigment meeting the earth color criteria.
Micronized Black Iron Oxide Pigment
Micronized synthetic black iron oxide (Fe3O4) with particle size under 1 micron, exceeding 70% Fe2O3 equivalent, used in high-end cosmetics and inks. Its fine particle size ensures smooth dispersion and opacity. Fits HTS 2821.10.0010 as synthetic black pigment.
Synthetic Magnetite Black Pigment Grade
Synthetic magnetite (Fe3O4) black pigment designed for concrete coloring, with >70% iron as Fe2O3. It provides permanent, weather-resistant black coloration in construction materials. Classified in HTS 2821.10.0010 for synthetic black iron oxides.
Ferrite Black Iron Oxide Pigment
Synthetic black iron oxide used in ferrite production for magnets, containing >70% iron as Fe2O3. Provides magnetic properties in ceramic magnets. Classed as synthetic black pigment in HTS 2821.10.0010.
UV-Resistant Black Iron Oxide Pigment
Synthetic black iron oxide pigment engineered for superior UV resistance, >70% Fe2O3, ideal for exterior architectural coatings. Maintains color integrity under sunlight exposure. HTS 2821.10.0010 for synthetic black.
High-Tinting Strength Black Iron Oxide
Premium synthetic black iron oxide with high tinting strength, >70% Fe2O3, optimized for automotive coatings. Delivers intense black with excellent lightfastness. Synthetic pigment under HTS 2821.10.0010.