High Purity Antimony Trioxide (Sb2O3): A Leading Flame Retardant Synergist for Industrial Applications
Discover the essential role of Antimony Trioxide (Sb2O3) as a high-performance flame retardant synergist. Essential for enhancing fire safety across plastics, rubber, textiles, and more, this industrial chemical is a cornerstone for demanding applications. Learn about its properties, applications, and why sourcing from a reliable supplier is key.
Get a Quote & SampleUnlock Superior Fire Safety with Antimony Trioxide

Antimony Trioxide (Sb2O3)
As a premier manufacturer and supplier of industrial chemicals in China, we provide high-purity Antimony Trioxide (Sb2O3). Our product is crucial for achieving optimal flame retardancy when used in conjunction with halogenated compounds, significantly reducing flammability in a wide array of materials. We ensure consistent quality and reliable supply for your manufacturing needs.
- Enhance Fire Resistance: Our Antimony Trioxide (Sb2O3) is a key synergist for halogenated flame retardants, offering excellent fireproof efficacy for demanding applications.
- Broad Application Spectrum: Widely used in plastics, rubber, textiles, coatings, glass, and electronics, it's a versatile additive for various industries.
- High Purity Assurance: We supply Antimony Trioxide with high purity levels (e.g., 99.8%), ensuring consistent performance and reliability in your formulations.
- Industrial Grade Standard: Manufactured to industrial grade specifications, our product meets the stringent requirements of modern manufacturing processes.
Key Advantages of Our Antimony Trioxide
Synergistic Flame Retardancy
Antimony Trioxide (Sb2O3) acts as a highly effective synergist with halogenated flame retardants, creating a robust fire-retardant system that enhances the safety of polymers, cables, and textiles. This makes it a sought-after additive for manufacturers prioritizing fire safety.
Versatile Industrial Applications
From enhancing the fire resistance of plastics and rubber to its use as a clarifying agent in glass and pigments in coatings, Antimony Trioxide's applications are extensive. Our reliable supply ensures you can meet diverse market demands.
Consistent Quality & Purity
We pride ourselves on supplying Antimony Trioxide (CAS 1309-64-4) with exceptional purity, often exceeding 99.8%. This commitment to quality ensures predictable performance and helps our customers achieve their desired material properties when they buy from us.
Extensive Applications for Antimony Trioxide
Plastics and Polymers
Our Antimony Trioxide is widely incorporated into plastics and polymers to significantly improve their flame retardancy, critical for applications like wire and cable jacketing, electronic enclosures, and automotive components.
Rubber and Elastomers
In the rubber industry, Sb2O3 acts as a crucial synergist to impart flame retardant properties, ensuring that rubber products used in demanding environments meet stringent safety standards.
Textiles and Coatings
Our high-purity Antimony Trioxide is utilized in textile treatments and coatings to provide essential fire resistance, contributing to the safety of furnishings, protective apparel, and paints.
Glass and Ceramics
Beyond its flame-retardant capabilities, Antimony Trioxide serves as a valuable clarifying agent in glass manufacturing and as an opacifier in ceramic glazes, enhancing product quality and aesthetics.