Antimony Trioxide: High-Performance Flame Retardant Synergist for Polymers
Discover the critical role of Antimony Trioxide (Sb2O3) in enhancing flame retardancy for plastics, textiles, and electronics. As a leading supplier in China, we provide high-purity Sb2O3 to meet stringent fire safety standards for your industrial applications. Get a competitive quote and sample today!
Get a Quote & SampleUnlock Superior Fire Safety with Antimony Trioxide

Antimony Trioxide (Sb2O3)
As a premier Antimony Trioxide supplier in China, we offer high-quality Sb2O3, a vital synergist for flame retardant systems. Our product significantly boosts the performance of halogenated flame retardants in polymers, ensuring compliance with critical fire safety standards. Trust us for stable supply and competitive pricing.
- Synergistic Flame Retardancy: Enhance your polymer formulations with our Antimony Trioxide, acting as a powerful synergist with halogen compounds to create antimony halides that inhibit flame propagation. This is crucial for plastics and cable applications.
- Char Formation Enhancement: Our Sb2O3 promotes the formation of a protective carbonaceous char layer, acting as an insulator against heat and oxygen, a key benefit for effective fire resistance in various materials.
- Versatile Industrial Applications: Source your Antimony Trioxide from a reliable manufacturer for use in plastics, rubber, synthetic resins, textiles, coatings, glass, and electronic components, ensuring broad application benefits.
- High Purity and Consistency: We guarantee the high purity (99.8%) and consistent quality of our Antimony Trioxide, meeting industrial grade specifications for reliable performance as a flame retardant synergist.
Key Advantages of Our Antimony Trioxide
Reliable Flame Retardancy Performance
Experience enhanced fire safety in your products. Our Antimony Trioxide, when used with halogenated compounds, effectively reduces flammability in polymers like PVC, ABS, and polyolefins, meeting stringent industry standards. Buy Antimony Trioxide for guaranteed protection.
Supply Chain Stability & Competitive Pricing
We understand the challenges of market volatility. As a trusted Antimony Trioxide manufacturer and supplier, we ensure a stable supply chain and offer competitive prices for CAS 1309-64-4, helping you manage production costs effectively.
Expert Technical Support
Leverage our expertise in flame retardant solutions. Our team can provide technical guidance on the optimal use of Antimony Trioxide in your formulations, ensuring peak performance and compliance for your specific needs.
Diverse Applications for Antimony Trioxide
Plastics and Polymers
Our Antimony Trioxide is a critical additive for PVC, polyolefins, and ABS resins, significantly improving their flame retardancy and enabling them to meet UL-94 V-0 standards. Purchase Sb2O3 for robust plastic formulations.
Electronics and Cables
Essential for manufacturing smokeless and flame-retardant cables and wire enclosures. Ensure the safety of electronic devices by using our high-quality Antimony Trioxide as a synergist in insulation materials.
Textiles and Coatings
Improve the fire resistance of textiles and coatings. Our Antimony Trioxide acts as an effective component in formulations designed to reduce flammability and enhance safety in consumer and industrial products.
Glass and Ceramics
Beyond flame retardancy, Antimony Trioxide is utilized as a clarifier in glass manufacturing and in ceramic glazes and pigments, showcasing its multifaceted industrial utility.