Ferric Hydroxide Precipitate
Precipitated ferric hydroxide (Fe(OH)3) technical grade with >70% iron content as Fe2O3, used in water treatment and catalyst manufacturing. HTS 2821.10.0050 covers these chemically defined iron hydroxides. High surface area for adsorption applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing chlorides (ferric chloride hydroxide)
Halide-containing iron compounds classified under heading 2827.
If activated for specific water treatment use
Activated natural mineral products shift to Chapter 38.
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Import Tips & Compliance
• Provide precipitation process documentation confirming chemical purity
• Classify as chemical intermediate vs finished product based on purity specs
• Ensure wastewater treatment end-use declaration for proper drawback claims
Related Products under HTS 2821.10.00.50
Synthetic Black Iron Oxide Pigment
Synthetic black iron oxide (Fe3O4) with over 70% combined iron as Fe2O3, used as a pigment in paints and coatings. Classified under HTS 2821.10.0050 as it meets the earth color criteria for iron oxides and hydroxides. Primarily imported in powder form for industrial coloring applications.
Red Iron Oxide Powder (PR101)
Anhydrous red iron oxide (Fe2O3) pigment grade PR101 containing over 70% iron evaluated as Fe2O3, widely used in construction stains and brick coloring. Falls under HTS 2821.10.0050 as a synthetic iron oxide hydroxide meeting chapter purity requirements. Typically micronized for uniform dispersion.
Yellow Iron Oxide Pigment (PY42)
Synthetic yellow iron oxide hydrate (FeOOH) PY42 with >70% combined iron as Fe2O3 equivalent, used in plastics and rubber coloring. HTS 2821.10.0050 applies to these high-purity earth colors. Heat-stable grades available for high-temperature processing.
Micaceous Iron Oxide (MIO)
Flaky micaceous iron oxide with laminar structure and >70% Fe2O3 content, used as anti-corrosive pigment in protective coatings. Classified in HTS 2821.10.0050 as iron oxide meeting earth color specifications. Provides barrier protection in epoxy paint systems.
Brown Iron Oxide Blend Pigment
Synthetic brown iron oxide created by blending red and yellow oxides, achieving >70% total iron as Fe2O3. Used in flooring tiles and architectural coatings under HTS 2821.10.0050. Consistent color matching for large-scale production.
Transparent Iron Oxide PY42
Nano-particle transparent yellow iron oxide PY42 with >70% Fe2O3, designed for wood stains and automotive coatings. HTS 2821.10.0050 classification for high-purity synthetic oxides. Low tinting strength for clear base applications.