Antimony Trioxide
Antimony Trioxide (ATO) – Technical & Pure Grade
Antimony Trioxide (CAS No. 1309-64-4, Formula: Sb₂O₃) is a fine white powder widely used as a flame retardant synergist, catalyst, and additive in plastics, rubber, textiles, coatings, and glass industries. Available in both Technical Grade and Pure Grade, it ensures consistent particle size, excellent dispersion, and reliable performance for demanding industrial applications.
Key Features & Benefits
- High purity with low impurity levels
- Excellent flame retardant synergist properties
- Consistent particle size distribution (≤ 2 µm)
- Superior dispersion and stability in formulations
- Suitable for plastics, textiles, coatings, glass, and rubber industries
Applications
- Flame retardant in plastics, rubber, and textiles
- Catalyst in PET and polyester production
- Additive in glass and ceramics manufacturing
- Pigments and coatings requiring whiteness and stability
- Specialty chemicals and electronics
Technical Data Sheet
Antimony Trioxide – Technical Grade
| Parameter | Specification |
|---|---|
| CAS No. | 1309-64-4 |
| Formula | Sb₂O₃ |
| Sb₂O₃ (%) | 98.7 min |
| S (%) | 0.02 max |
| As (%) | 0.09 max |
| Fe (%) | 0.004 max |
| Appearance | White powder |
| Maximum Particle Size | 2 µm |
| Mass fraction of particles (1–2 µm) | 98% |
Antimony Trioxide – Pure Grade
| Parameter | Specification |
|---|---|
| Sb₂O₃ (%) | 99.5 min |
| Pb (%) | 0.03 max |
| As (%) | 0.05 max |
| Fe (%) | 0.02 max |
| Appearance | White powder |
| Maximum Particle Size | 2 µm |
| Mass fraction of particles (1–2 µm) | 98% |
Packaging
- 25 kg bags on 1000 kg pallets
- 1000 kg jumbo bags on pallets
Minimum Order Quantity (MOQ): 500 kg
Why Choose Us?
- Direct sourcing from certified global manufacturers
- Technical support and documentation for compliance
- Availability in both Technical & Pure Grades
- Custom packaging & labeling as per client needs
- Fast worldwide delivery with transparent logistics
Choosing us as your supplier means guaranteed quality, consistent supply, and complete export compliance. Whether you need bulk orders or specialized formulations, we ensure reliability and performance in every shipment.
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