| Customization: | Available |
|---|---|
| CAS No.: | 1309-64-4 |
| Formula: | O3sb2 |
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Antimony Trioxide
Antimony trioxide is the inorganic compound with the formula Sb2O3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite. Like most polymeric oxides, Sb2O3 dissolves in aqueous solutions with hydrolysis.
The main application is as flame retardant synergist in combination with halogenated materials. The combination of the halides and the antimony is key to the flame-retardant action for polymers, helping to form less flammable chars. Such flame retardants are found in electrical apparatuses, textiles, leather, and coatings.
Antimony trioxide Mflam ATO is a white fine powder and the main crystal structure is of cubical shape.
Antimony trioxide is an inorganic compound with the formula Sb2O3. The natural product is called antimony China, commonly known as antimony white, is a white crystalline powder, melting point 655ºC, boiling point 1550ºC, soluble in concentrated, sulfuric acid, alkali solution and hot tartaric acid solution, slightly soluble in water, dilute and dilute sulfuric acid, mainly used as pigment, flame retardant, mordant, catalyst, can also be used to synthesize antimony salt.
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Widely used in PVC, PP, PE, PS, ABS, PU and other plastics as flame retardant, high flame retardant efficiency, small impact on the mechanical properties of the substrate (such as; Fire-resistant uniforms and gloves, fire-resistant electronic equipment enclosures, fire-resistant carriages, fire-resistant wires and cables, etc.).
Used as filler and flame retardant in rubber industry
Used as enamel covering agent in enamel and ceramic products
Non-magnetic ceramics used in the fabrication of pressure sensitive ceramics and magnetic head parts in the electronics industry
Used as a white pigment and flame retardant for paints in paint industry
Used as a catalyst for organic synthesis
Tianjin Kangxin Import and Export Co., LTD. is located in Tianjin, our products have a competitive advantage in the market. We have long-term cooperation with key domestic development enterprises such as Luoyang Institute of Refractories Research,Anshan Jiaohua Refractory Design & Research Institute,Kunlun Petrochemical, Zhongtai Group, Non-ferrous Metal Mining (Group), Junzheng Group and Longbai Group. Our products include refractory bricks, refractory coatings, refractory plates, PVC resins, PVC additives, chemical additives, etc.
Over the years, our company has been striving to achieve good quality and low prices, which has won the support and trust of many customers. We look forward to working with you and establishing a win-win relationship with you. Please rest assured that we will make you happy.
Antimony Trioxide is a white crystalline powder widely used as a flame retardant synergist, particularly in combination with halogenated compounds for plastics, rubber, and textiles. With high purity (typically ≥99.5%) and excellent thermal stability, it effectively enhances fire resistance in materials like PVC, ABS, and electrical cables. Beyond flame retardancy, it serves as a catalyst in PET resin production and a clarifying agent in glass manufacturing. Our industrial-grade Sb2O3 meets international standards, including REACH and RoHS compliance, and is available in optimized particle sizes for superior dispersion. Proper handling is required as it is classified under UN3077 for transport.
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