Antimony Trioxide Glass Grade
Specially purified Sb2O3 for decolorizing and fining optical and container glass. Classified HTS 2825.80.00.00 as the defining antimony oxide additive.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied as glass frit/colorant
Chapter Note excludes glass frit to 3207.
If pre-melted cullet with antimony
Glass in non-finished forms classified in Chapter 70.
If premixed glass batch constituent
Multicomponent glass batches become preparations.
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Import Tips & Compliance
• Specify optical transmission data for glass grade verification
• Include batch certificates showing low iron/alkali impurities
• Glass melting schedule documentation aids end-use determination
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.