High Purity Antimony Trioxide Powder (CAS 1309-64-4): Synergistic Flame Retardant for Polymers
Discover the essential role of Antimony Trioxide (Sb2O3) as a leading plastic flame retardant and chemical auxiliary agent. As a trusted manufacturer and supplier in China, we offer high-grade Sb2O3 (CAS 1309-64-4) with excellent synergistic properties for your polymer applications. Get a competitive quote and samples today.
Get a Quote & SampleAntimony Trioxide: The Synergistic Flame Retardant Solution You Need

Antimony Trioxide Powder (Sb2O3)
As a premier Antimony Trioxide supplier in China, we provide industrial-grade Sb2O3 (CAS 1309-64-4) renowned for its exceptional flame retardant properties. Our product is a key component in synergistic flame retardant systems, enhancing the safety and performance of various materials. Trust us as your go-to manufacturer for high-purity chemical auxiliaries.
- High-Quality Antimony Trioxide (Sb2O3): Offering industrial grades with 99.5% to 99.9% purity, meeting stringent application requirements.
- Synergistic Flame Retardant Performance: Ideal for use with halogenated compounds to significantly boost flame retardancy in polymers, a critical need for plastic formulations.
- Versatile Applications: Essential for industries including plastics, rubber, textiles, coatings, glass, and electronics, providing broad utility for formulators and procurement managers.
- Reliable Supplier in China: We ensure stable supply and competitive pricing for Antimony Trioxide (CAS 1309-64-4), facilitating your purchase process.
Key Advantages of Our Antimony Trioxide
Enhanced Flame Retardancy
Antimony Trioxide (Sb2O3) acts as a critical synergist, significantly improving the effectiveness of halogen-based flame retardants. This is crucial for manufacturers seeking to meet stringent fire safety standards for their plastic products and chemical fiber applications. Partner with us, a leading supplier, to buy high-performance flame retardants.
Broad Material Compatibility
Our high-purity Antimony Trioxide powder is engineered for optimal performance across a wide array of materials, including plastics, rubber, paints, and ceramics. For procurement managers and product formulators looking for a reliable chemical auxiliary agent, our Sb2O3 offers excellent application versatility and proven results.
Consistent Quality and Supply
As an established manufacturer in China, we guarantee consistent product quality and a stable supply chain for Antimony Trioxide (CAS 1309-64-4). We focus on integrity management and timely delivery, ensuring you can secure the necessary materials for your production needs, whether for domestic or international markets.
Applications of Antimony Trioxide
Plastics and Polymer Compounding
Antimony Trioxide is a vital additive in the plastics industry, widely used as a flame retardant synergist to enhance the fire safety of polymers. Procurement managers can buy Antimony Trioxide powder for applications ranging from electronic enclosures to automotive components. We are a trusted manufacturer of Sb2O3 in China.
Rubber and Chemical Fibers
In the rubber and chemical fiber industries, Sb2O3 contributes to improved flame resistance. Researchers and formulators seeking to enhance material performance can inquire about our Antimony Trioxide price and availability for these critical applications.
Coatings, Glass, and Pigments
Our Antimony Trioxide finds application as a clarifier in glass manufacturing, as well as in pigment and coating formulations. For those looking to purchase Antimony Trioxide for these specialty uses, our product offers excellent chemical properties and a stable supply.
Electronics and Electrical Devices
The flame retardant properties of Sb2O3 are essential for the safety of electrical devices and their components. As a dedicated Antimony Trioxide supplier, we cater to the demand for high-purity materials that ensure product reliability and compliance with industry standards.