High Purity Antimony Trioxide (99.8%): The Synergist of Choice for Industrial Flame Retardancy
Discover the critical role of 99.8% Antimony Trioxide as a leading flame retardant synergist for diverse polymer applications. As a trusted manufacturer and supplier, we provide solutions that enhance fire safety and meet stringent industry standards. Get your quote and sample today.
Get a Quote & SampleEnhance Polymer Fire Safety with High-Purity Antimony Trioxide

Antimony Trioxide (99.8%)
As a leading supplier of industrial chemicals in China, we offer high-purity Antimony Trioxide (Sb2O3), essential for advanced flame retardant formulations. This 99.8% pure white powder is a critical synergist, significantly boosting the fire resistance of various polymers when combined with halogenated compounds. Our commitment as a manufacturer ensures consistent quality and reliable supply for your production needs.
- Superior Flame Retardant Synergism: Effectively enhances the fire performance of plastics like PVC, PP, PE, ABS, and PU when used with halogenated flame retardants.
- Broad Industrial Applicability: Beyond plastics, this antimony trioxide is vital for rubber, paints, enamels, glass clarification, and ceramic glazes.
- Reliable Chemical Properties: With a melting point of 655°C and boiling point of 1550°C, it offers stable performance in demanding applications.
- Trusted Manufacturer & Supplier: Procure with confidence from a reliable source in China, ensuring competitive pricing and timely delivery for your bulk purchase needs.
Key Advantages of Our Antimony Trioxide
Uncompromising Purity and Quality
Our Antimony Trioxide boasts a 99.8% purity, ensuring optimal performance as a flame retardant synergist. Rely on us as your dedicated manufacturer for consistent quality in every batch you buy.
Versatile Flame Retardant Solutions
Discover how this Sb2O3 powder effectively inhibits flame propagation in plastics, rubber, and coatings, making it a crucial component for meeting fire safety regulations. Explore its synergistic effect with halogenated compounds for enhanced fire resistance.
Cost-Effective Industrial Sourcing
Benefit from competitive pricing and efficient supply chain management. We are a premier supplier of industrial grade Antimony Trioxide, offering excellent value for your large-volume purchases.
Diverse Applications for Antimony Trioxide
Plastics and Polymers
Crucial for achieving UL94 V-0 ratings in PVC, PP, PE, PS, ABS, and PU, acting as an essential flame retardant additive.
Rubber and Textiles
Enhances fire resistance in rubber compounds and textile coatings, providing critical safety features for various products.
Paints, Enamels, and Pigments
Used as a white pigment and flame retardant in paints and coatings, improving opacity and fire safety.
Glass and Ceramics
Functions as a clarifying agent in glass manufacturing and contributes to ceramic glaze opacity and brightness.