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    AI Overview
    Catalyst grade Antimony Trioxide ($Sb_2O_3$)
    is a high-purity (typically >99.8%–99.9%), white powder used primarily to accelerate the polycondensation reaction in the production of PET resin and fibers. It ensures high transparency and low color (limited yellowing) in final polyester products. It is highly soluble in ethylene glycol to minimize filtration issues during manufacturing. 
    Key Aspects of Catalyst Grade Antimony Trioxide: 
    • Application: Used in the manufacture of polyethylene terephthalate (PET) from ethylene glycol (EG) and terephthalic acid (TPA) or dimethyl terephthalate (DMT).
    • Purity: High purity with low metallic impurities is essential to avoid undesirable side reactions and ensure high transparency.
    • Solubility: High-grade options are specifically designed to have high solubility in Ethylene Glycol (EG).
    • Particle Size: Often optimized to be very fine (0.3–1.5 microns) to facilitate dispersion and reaction rates.
    • Product Examples: PATOX-C and PATOX-CF (Nihon Seiko) are prominent examples, with some treated with ethylene glycol for a "dust-free" handling experience.
    • Advantages: Offers superior cost-effectiveness, high catalytic activity, and excellent color management in PET production. 
    Key Suppliers & Related Products: 
    • Nihon Seiko Co., Ltd. (PATOX-C, PATOX-CF, STOX-CA, STOX-CFA).
    • Yamanaka Group (MSH, MSF).
    • Other Potential Suppliers: Stanford Advanced Materials, Neugen Labs. 
    Safety Note: Antimony trioxide is considered a potential carcinogen (Proposition 65 listed) and should be handled with proper precautions, using protective equipment. 
    • Features of Antimony Trioxide as Catalysts
      Antimony compounds are excellent catalysts to accelerate the polymerization in polyester manufacturing. Antimony trioxide is the m...
      日本精鉱株式会社
    • Special Treatment Antimony Trioxide | Nihon Seiko Co., Ltd.
      Antimony trioxide is chemically treated to prevent dust emission and for high dispersion. The catalyst grade is ethylene glycol tr...
      日本精鉱株式会社
    • Antimony Trioxide | Nihon Seiko Co., Ltd.
      Grade Introductions * PATOX-M. A standard grade of antimony trioxide for flame retardancy with an average particle size of 0.5 µm.
      日本精鉱株式会社
    • Antimony Trioxide Catalyst Specifications | PDF - Scribd
      TMS D Catalyst Grade antimony trioxide is a special grade of antimony trioxide manufactured for use as a catalyst in the productio...
      Scribd
    • Antimony Trioxide - Neugen Labs
      Description. Antimony trioxide, often used as a flame retardant Catalyst, is known for its versatility and effectiveness. Commonly...
      Neugen Labs
    • Antimony Trioxide (Sb2O3) (CAS No.1309-64-4)- SAM
      Catalysis: It is employed as a catalyst in various chemical reactions, including the production of polyester resins and the synthe...
      Stanford Advanced Materials
    • Technical Information No.047E CATALYST GRADE OF ...
      Antimony trioxide used as a catalyst for polyester polymerization is more cost-effective than other catalysts and has the added be...
      日本精鉱株式会社
    • Catalyst antimony trioxide 99.90%
      High purity Antimony trioxide 99.90%,is an inorganic compound, commonly known as antimony white, white crystalline powder. Used as...
      www.antimony-gz.com
    • Antimony Trioxide - Proposition 65 Warnings Website
      Antimony trioxide is on the Proposition 65 list because it can cause cancer. Exposure to antimony trioxide may increase the risk o...
      California State Portal | CA.gov
    • Features of Antimony Trioxide as Catalysts
      Antimony compounds are excellent catalysts to accelerate the polymerization in polyester manufacturing. Antimony trioxide is the m...
      日本精鉱株式会社
    • Special Treatment Antimony Trioxide | Nihon Seiko Co., Ltd.
      Antimony trioxide is chemically treated to prevent dust emission and for high dispersion. The catalyst grade is ethylene glycol tr...
      日本精鉱株式会社
    • Antimony Trioxide | Nihon Seiko Co., Ltd.
      Grade Introductions * PATOX-M. A standard grade of antimony trioxide for flame retardancy with an average particle size of 0.5 µm.
      日本精鉱株式会社
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    Features of Antimony Trioxide as Catalysts


    日本精鉱株式会社
    https://www.nihonseiko.co.jp › technical › catalyst
    日本精鉱株式会社
    https://www.nihonseiko.co.jp › technical › catalyst
    Antimony trioxide is the most widely used polymerization catalyst in both domestic and overseas markets in the manufacture of polyethylene terephthalate(PET)Read more

    Catalyst antimony trioxide 99.90%


    antimony-gz.com
    https://www.antimony-gz.com › catalyst-antimony-triox...
    antimony-gz.com
    https://www.antimony-gz.com › catalyst-antimony-triox...
    Application: Used as catalyst for condensation polymerization of polyester. Specification: Grade. Sb2O3 99.90. Chemical composition. Sb2O3 ≧. 99.90I. 99.90II.Read more

    Antimony Trioxide Supplier | 1309-64-4


    RIVERLAND TRADING
    https://riverlandtrading.com › antimony-trioxide-distrib...
    RIVERLAND TRADING
    https://riverlandtrading.com › antimony-trioxide-distrib...
    Textile Industry: Antimony trioxide is used as a catalyst in the production of polyester fibers and fabrics. It helps enhance the thermal stability and flame ...Read more

    Antimony Trioxide


    山中グループ
    https://www.yamanakagroup.jp › business › antimony-tri...
    山中グループ
    https://www.yamanakagroup.jp › business › antimony-tri...
    Antimony trioxide is used as a polymerization catalyst for polyester, making it possible to produce high-quality polyester at low cost.Read more

    Polyester Catalyst Grade Antimony trioxide(ATO)


    urbanmines.com
    https://www.urbanmines.com › polyester-catalyst-grade...
    urbanmines.com
    https://www.urbanmines.com › polyester-catalyst-grade...
    Antimony Trioxide is a chemical used in the manufacture of some polyethylene terephthalate (PET) plastic, which is used to make food and beverage containers.Read more

    Antimony Trioxide High-Purity Supplier in the USA


    Neugen Labs
    https://www.neugenlabs.com › Shop
    Neugen Labs
    https://www.neugenlabs.com › Shop
    Catalyst for Chemical Reactions-In the polyester and PET industries, Antimony Trioxide serves as a catalyst to accelerate polymerization. Chemical Properties ...Read more

    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...
    Polymer Industry: In the polymer and plastics industry, antimony trioxide is added to thermoplastics and thermosetting resins to improve their fire resistance.Read more
    Starting from $100.00 · In stock

    Antimony(III) oxide 99.999 trace metals 1309-64-4


    Sigma-Aldrich
    https://www.sigmaaldrich.com › ... › Oxides & Ceramics
    Sigma-Aldrich
    https://www.sigmaaldrich.com › ... › Oxides & Ceramics
    This product is suitable for use in E-beam deposition. The major phase of this product is beta-Sb2O3 (~98%). The remainder is alpha-Sb2O3 (<2%).Read more
    2–4 day delivery

    Technical Information No.047E CATALYST GRADE OF ...


    日本精鉱株式会社
    https://www.nihonseiko.co.jp › download_file
    日本精鉱株式会社
    https://www.nihonseiko.co.jp › download_file
    PDF
    CATALYST GRADE OF ANTIMONY TRIOXIDE. “PATOX-C”. Antimony trioxide used as a catalyst for polyester polymerization is more cost-effective than other catalysts ...Read more

    Antimony Trioxide Catalyst for Polyester | PDF | Paint | Lead


    Scribd
    https://www.scribd.com › document › MS-Antimony-T...
    Scribd
    https://www.scribd.com › document › MS-Antimony-T...
    MS_Antimony TriOxide (99.8%) is a fine particle powder used as a flame-retardant synergist in various applications including plastics, rubber, and textiles, ...Read more
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