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Molecular formula: NaSbO3
Molecular weight: 192.7
CASNumber: 15432-85-6
White particles, soluble in strong inorganic acid, tartaric acid, slightly soluble in water and alcohol, insoluble in dilute acid, non-flammable, non-explosive, non-corrosive in case of open fire, the decomposition temperature is 1427 ℃.
| Ingredient Content | Quality Metrics | |
| Sb% | 61.0min | |
| Sb3+% | 0.5max | |
| As% | 0.030max | |
| Cd% | 0.001max | |
| Cr% | 0.001max | |
| Fe% | 0.006max | |
| Hg% | 0.001max | |
| Pb% | 0.050max | |
| NaOH% | 0.5max | |
| Water loss (105℃/1h)% | 0.5max | |
| Weightless (700℃/1h)% | 1.0max | |
| Hue | L | 95.0min |
| b | 2.0max | |
| 325 mesh sieve residue% | 0.1max | |
| Average particle size um | 5.0max | |
3. Uses: Mainly used as a clarifying agent for glass bulbs of various monitors such as TV picture tubes, computers and high-grade glass. It is specially used as a flame retardant in PET engineering plastics, and as a flame retardant in high-performance PA and PBT.
Fourth, packaging and storage are divided into 1000KG packaging and 25KG packaging, using three-layer packaging, the inner layer is a PE film bag, and the outer layer is a double-layer PE woven bag. Store the product in a dry and clean place
Sodium pyroantimonate
Molecular formula: Na2H2Sb2O7.5H2O Molecular weight: 493.4
Properties: soluble in strong inorganic acid, tartaric acid, slightly soluble in water, alcohol, insoluble in dilute acid, non-flammable, non-explosive and non-corrosive in case of open flame. Above 150 ℃, it begins to lose crystal water.
| Sb2O5 | Na2O | As2O3 | PbO | Fe2O3 | CuO |
| 64~65.5% | 12~13% | ≤0.01% | ≤0.04% | ≤0.02% | ≤0.002% |
| Cr2O3 | Water of Crystallization | Physical Water | Whiteness | granularity | |
| ≤0.002% | 22±0.5% | ≤0.3% | >85 | 80 meshes passed |
It is mainly used as a glass clarifying agent in the glass bulbs of TV picture tubes and advanced glass products. It can also be used as a whitening agent for enamel products and a flame retardant for organic fiber fabrics, rubber and plastics, etc. At the same time, it is the most suitable raw material for the production of colloidal antimony pentoxide.
The product is divided into 1000kg package and 25kg package. It adopts three-layer packaging, the inner layer is a PE film bag, and the outer layer is a double-layer PE woven bag. Store the product in a dry and clean place.
