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Audited Supplier | High purity precipitated barium sulfate |
| Use barium sulfide and sodium sulfate solution to refine and remove impurities to obtain high-purity, whiteness precipitated barium sulfate; through special particle surface treatment technology, improve the affinity of the application interface, and give the product good dispersibility and processing performance; |
| Very narrow particle size distribution, the median particle size (D50) is about 0.7-1.0μm; |
| High whiteness, no black spots and other mechanical impurities; |
| After organic surface treatment, the dispersion is better; |
| It has high gloss in plastics and coating products, etc. |
| Low oil absorption, good dispersibility, and good affinity with various resins, which can guarantee sufficient mechanical properties of the product. |
| Test items | Unit | Typical index |
| Barium sulfate content | % | 98 |
| BaiDu | % | ≥99 |
| Median particle size D50 | μm | 0.7-1.5 |
| Volatile at 105ºC | % | ≤0.30 |
| Conductivity | μS/cm | ≤150 |
| pH value | 6.0-9.0 | |
| Iron content | ppm | ≤20 |
| Oil absorption | g/100g | 13-18 |
| Residue on sieve (45μm sieve) | % | ≤0.01 |
| Packing: | 50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request. |
| Storare: | Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture. |
| Characteristics: | Pink powder, slightly soluble in inorganic acid, insoluble in water. |
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Audited Supplier 
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