Valentinite Natural Antimony Trioxide
Naturally occurring cubic Sb2O3 mineral (valentinite) refined for industrial use. Classified under synthetic HTS 2825.80.00.00 as chemically equivalent antimony oxide regardless of mineral origin.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unrefined antimony ore containing <50% Sb
Mineral ores classified in Chapter 26 by metal content.
If containing metallic antimony
Antimony metal/unwrought classified in Chapter 81.
If mineral flotation concentrate
Ore processing intermediates become preparations.
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Import Tips & Compliance
• Provide mineral assay confirming >99% Sb2O3 post-refining
• Declare beneficiation process to distinguish from ore
• Conflict minerals reporting may apply for African sources
Related Products under HTS 2825.80.00.00
Antimony Trioxide Powder
Antimony trioxide (Sb2O3) is a fine white powder primarily used as a flame retardant synergist in plastics and textiles. It falls under HTS 2825.80.00.00 as a chemically defined antimony oxide, meeting Chapter 28 criteria for inorganic metal oxides.
Antimony Pentoxide Colloidal Dispersion
Aqueous colloidal dispersion of antimony pentoxide (Sb2O5) used in catalyst production and flame retardant coatings. Classified under HTS 2825.80.00.00 as chemically defined antimony oxide despite liquid form.
Technical Grade Antimony Trioxide
Technical grade Sb2O3 with 99.5% purity for industrial flame retardancy in PVC and rubber compounds. HTS 2825.80.00.00 covers this primary antimony oxide used in high-volume polymer applications.
High Purity Antimony Trioxide 99.99%
Ultra-high purity Sb2O3 crystals for optical glass and semiconductor applications. Falls under HTS 2825.80.00.00 as chemically defined antimony oxide meeting Chapter 28 purity standards.
Antimony Tetroxide Fine Powder
Sb2O4 intermediate oxidation state oxide used in ceramics and specialty catalysts. HTS 2825.80.00.00 encompasses all antimony oxides including this less common tetroxide form.
Flame Retardant Grade Antimony Trioxide
Senarmontite mineral-derived Sb2O3 optimized for halogenated flame retardant systems in electronics housing. Principal classification under HTS 2825.80.00.00 as the defining antimony oxide.