Synthetic Black Iron Oxide Pigment
Synthetic black iron oxide (CI Pigment Black 11, magnetite Fe3O4) contains over 70% combined iron as Fe2O3, used in asphalt roofing and magnetic applications. It is classified in HTS 2821.10.0040 as an 'other' synthetic pigment due to its precipitated manufacturing process. This ensures separation from natural magnetites.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If natural magnetite ores or concentrates
Unprocessed natural iron ores containing magnetite classify in Chapter 26, while synthetic pigments are refined chemicals.
If used as refractory materials
Iron oxide in refractory cements or mortars for high-temperature applications falls under 3816.
If as complex salts like ferric sulfate
Iron salts of inorganic acids classify in 2833 if not pure oxides or hydroxides.
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Import Tips & Compliance
• Include MSDS confirming non-hazardous status and synthetic magnetite structure via XRD analysis
• Avoid bulk shipments without inner packaging to prevent contamination claims during inspection
• Reference ASTM D768 for pigment quality standards in import declarations
Related Products under HTS 2821.10.00.40
Synthetic Red Iron Oxide Pigment
Synthetic red iron oxide pigment (CI Pigment Red 101) is a high-purity, finely milled powder containing over 70% combined iron as Fe2O3, used primarily in paints and coatings. It falls under HTS 2821.10.0040 as a synthetic iron oxide pigment classified as 'other' within the synthetic pigments subheading. This classification applies to its chemically defined nature and pigment-grade particle size.
Synthetic Yellow Iron Oxide Pigment
Synthetic yellow iron oxide (CI Pigment Yellow 42) is a goethite-based pigment with ≥70% Fe2O3 equivalent, engineered for construction materials and plastics coloration. Classified under HTS 2821.10.0040 as 'other' synthetic iron oxide pigments due to its artificial synthesis and high purity. It meets chapter requirements for chemically defined inorganic metal oxides.
Synthetic Brown Iron Oxide Pigment
Synthetic brown iron oxide pigment blends red and yellow oxides for burnt sienna effect, with ≥70% Fe2O3 content for artist paints and flooring. Falls under HTS 2821.10.0040 as 'other' synthetic iron oxide due to calcined production method. Chemically defined per Chapter 28 notes.
Micaceous Synthetic Iron Oxide Pigment
Micaceous synthetic iron oxide pigment features platelet-shaped particles for anti-corrosive primer coatings, containing >70% Fe2O3. Classified HTS 2821.10.0040 as 'other' synthetic pigment due to specialized morphology from synthetic process. Used in marine and structural steel protection.
Granular Synthetic Iron Oxide for Concrete
Granular synthetic iron oxide (>70% Fe2O3) designed for coloring concrete blocks and pavers, with larger particle size for dispersion. HTS 2821.10.0040 'other' synthetic pigment classification applies to its pure chemical form. Prevents bleeding in wet concrete mixes.
High-Purity Synthetic Iron Oxide for Battery Cathodes
Ultra-high purity synthetic iron oxide powder (≥99% Fe2O3 equivalent) for lithium-iron-oxide battery cathodes, meeting electronics doping standards. Classifies under HTS 2821.10.0040 as 'other' synthetic pigment despite electronic use, as it's unworked powder form. Synthetic per Chapter 28 definitions.