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    Antimony Trioxide Cas No.: 1309-64-4 of China Manufacturer
    Surface-treated antimony trioxide (
    Sb2O3cap S b sub 2 cap O sub 3
    𝑆𝑏2𝑂3
    ) is a specialized flame retardant additive designed to enhance dispersion and eliminate dust during processing. It is widely used in plastics, rubber, and coatings to improve fire resistance, with surface treatments like micro-wetting (using plasticizers) or specialized coatings reducing inhalation hazards and enhancing compatibility with polymers. 
    Key Characteristics and Benefits 
    • Dust Control & Health: Surface treatments reduce airborne dust, mitigating health risks associated with breathing the powder, and are often treated with substances like glycol.
    • Improved Dispersion: Treated particles disperse more evenly within polymer matrices (e.g., PVC, ABS), leading to more consistent flame retardant performance.
    • Synergy: While it does not suppress fire on its own, it acts as a synergist with halogenated flame retardants, forming protective antimony halides.
    • High Purity & Quality: Often available at 99.8% purity, these products are compliant with RoHS standards. 
    Surface Treatment Types 
    • Micro-wet/Wet Type: Treated with 3-4% of materials like DIDP, DOP, DINP, or ethylene glycol to make the powder slightly moist and prevent dust, suitable for resin production.
    • Coated/Surface Treated: Particle surfaces may be treated, for example with melamino-formaldehyde resin, to enhance compatibility with plastics, reducing pollution and improving efficiency. 
    Main Applications 
    • Flame Retardant: Used as a synergist for plastics, rubbers, textiles, paper, and paints.
    • Catalyst: Used as a catalyst in PET production.
    • Industrial Uses: Used as a whiteness agent in ceramics and enamel. 
    Note: Antimony trioxide is considered a potential carcinogen (Group B2/A2), so handling requires caution and dust control methods are critical. 
    • Special Treatment Antimony Trioxide | Nihon Seiko Co., Ltd.
      Wet Type. The particle surface of various types of antimony trioxide is chemically treated to be moisturized to prevent dust emiss...
      日本精鉱株式会社
    • surface treated antimony trioxide - Anhui Fitech Material Co.,Ltd
      1 results found for "surface treated antimony trioxide" Dust-Free Antimony Trioxide Powder 1309-64-4. Dust-free antimony trioxide ...
      Anhui Fitech Material Co.,Ltd
    • Antimony trioxide superfine powder coated by melamino ...
      translated from. The invention belongs to the technical field of powder preparation and in particular relates to antimony trioxide...
      Google Patents
    Show all
    • Special Treatment Antimony Trioxide | Nihon Seiko Co., Ltd.
      Wet Type. The particle surface of various types of antimony trioxide is chemically treated to be moisturized to prevent dust emiss...
      日本精鉱株式会社
    • surface treated antimony trioxide - Anhui Fitech Material Co.,Ltd
      1 results found for "surface treated antimony trioxide" Dust-Free Antimony Trioxide Powder 1309-64-4. Dust-free antimony trioxide ...
      Anhui Fitech Material Co.,Ltd
    • Antimony trioxide superfine powder coated by melamino ...
      translated from. The invention belongs to the technical field of powder preparation and in particular relates to antimony trioxide...
      Google Patents
    • In what areas can antimony trioxide be used?
      Mar 12, 2024 — Use one: Antimony trioxide used as white pigment, white glass, enamel, medicine, cement, filler, mordant and fire retardant coatin...
      山东晨旭新材料股份有限公司
    • Antimony Trioxide (Sb2O3) (CAS No.1309-64-4)- SAM
      Antimony Trioxide Description. Antimony trioxide is a white odorless powder. It plays an important role in antimony compounds. Ant...
      Stanford Advanced Materials
    • Antimony Trioxide - an overview | ScienceDirect Topics
      Carcinogenicity. Antimony trioxide has been classified by the American Conference of Governmental Industrial Hygienists (ACGIH) as...
      ScienceDirect.com
    • Antimony Trioxide - an overview | ScienceDirect Topics
      The manufacturers offer a wetted grade of antimony oxide to reduce dust. This is made by the addition of 3-4% plasticizer (DIDP, D...
      ScienceDirect.com
    • Antimony Trioxide | Nihon Seiko Co., Ltd.
      Uses of antimony trioxide Antimony trioxide has a wide range of applications, with its primary use being as a flame retardant in p...
      日本精鉱株式会社
    • High purity dust free antimony trioxide,Antimony trioxide catalytic
      Dust-free antimony trioxide 99.50% / 99.80% read more. Antimony trioxide 99.50% 99.80% read more. Antimony ingot 99.65%/99.85%/99.
      www.antimony-gz.com
    • Antimony Oxide Flame Retardant: Applications, Safety Standards & ...
      Mar 31, 2026 — Antimony trioxide is added to intumescent paints used on steel structures to delay fire damage. Insulation panels and polyurethane...
      Elchemy
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    Special Treatment Antimony Trioxide | Nihon Seiko Co., Ltd.


    日本精鉱株式会社
    https://www.nihonseiko.co.jp › products › trioxide-spec...
    日本精鉱株式会社
    https://www.nihonseiko.co.jp › products › trioxide-spec...
    Wet Type. The particle surface of various types of antimony trioxide is chemically treated to be moisturized to prevent dust emission and for high dispersion.Read more

    surface treated antimony trioxide


    Anhui Fitech Material Co.,Ltd
    https://www.fitechem.com › surface-treated-antimony-tr...
    Anhui Fitech Material Co.,Ltd
    https://www.fitechem.com › surface-treated-antimony-tr...
    Our surface treated antimony trioxide are highly valued across diverse international markets, capable of fulfilling a wide array of custom requirements from ...

    Antimony Trioxide (Sb2O3) (CAS No.1309-64-4)- SAM


    Stanford Advanced Materials
    https://www.samaterials.com › antimony › 1129-antimon...
    Stanford Advanced Materials
    https://www.samaterials.com › antimony › 1129-antimon...
    Ceramics: Antimony trioxide is used as an opacifier in ceramic glazes and enamels, giving ceramics a milky white or opaque appearance. Paints and Coatings: In ...Read more
    Starting from $100.00 · In stock

    Antimony Trioxide | Sb2O3 | CID 14794 - PubChem


    National Institutes of Health (.gov)
    https://pubchem.ncbi.nlm.nih.gov › compound › Antim...
    National Institutes of Health (.gov)
    https://pubchem.ncbi.nlm.nih.gov › compound › Antim...
    Antimony trioxide is a white crystalline solid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken ...Read more

    In what areas can antimony trioxide be used?


    山东晨旭新材料股份有限公司
    https://en.chenxuchem.com › news
    山东晨旭新材料股份有限公司
    https://en.chenxuchem.com › news
    Mar 12, 2024 — Antimony trioxide is widely used as a flame retardant in plastics, rubber, textile, chemical fiber, pigment, paint, electronics and other industries.Read more

    Antimony Trioxide - an overview | ScienceDirect Topics


    ScienceDirect.com
    https://www.sciencedirect.com › topics › chemistry › anti...
    ScienceDirect.com
    https://www.sciencedirect.com › topics › chemistry › anti...
    Antimony trioxide (Sb2O3) is a compound of antimony that is primarily used as a catalyst in the synthesis of polyethylene terephthalate (PET) and has been ...Read more

    ANTIMONY TRIOXIDE HAZARD SUMMARY ...


    NJ.gov
    https://www.nj.gov › eoh › rtkweb › documents
    NJ.gov
    https://www.nj.gov › eoh › rtkweb › documents
    PDF
    HAZARD SUMMARY. * Antimony Trioxide can affect you when breathed in. * Antimony Trioxide should be handled as a. CARCINOGEN--WITH EXTREME CAUTION.Read more
    6 pages

    Replacing Antimony Trioxide with ZrP in Flame Retardant


    carbodiimide.com
    https://carbodiimide.com › Basic knowledge › Blog
    carbodiimide.com
    https://carbodiimide.com › Basic knowledge › Blog
    Jan 5, 2026 — Zirconium phosphate (ZrP) stands out as an excellent substitute for antimony trioxide. It is an inorganic, environmentally friendly compound ...Read more

    Antimony trioxide superfine powder coated by melamino ...


    Google Patents
    https://patents.google.com › patent
    Google Patents
    https://patents.google.com › patent
    The antimony trioxide superfine powder coated by melamino-formaldehyde resin contains flame-retardant elements including antimony, nitrogen and phosphorus and ...Read more

    High purity dust free antimony trioxide,Antimony trioxide catalytic


    antimony-gz.com
    https://www.antimony-gz.com › antimony-trioxide_c3
    antimony-gz.com
    https://www.antimony-gz.com › antimony-trioxide_c3
    High purity Antimony trioxide 99.90%,is an inorganic compound, commonly known as antimony white, white crystalline powder. Used as catalyst for condensation ...Read more

    Scholarly articles for surface treated antimony trioxide

    … heat treatment on the electrical conductivity of antimony … - ‎Tigau - Cited by 40
    Antimony compounds - ‎Freedman - Cited by 17
    … of crystalline thin film of antimony trioxide on the Si (1 0 … - ‎Yasir - Cited by 18
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