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| PARAMETER | TEST METHOD | GUARANTEED SPECIFICATIONS |
|---|---|---|
| Chemical | ||
| Sb2O3 | Calculated | 99.90% min. |
| Lead (Pb) | A.A.S. | 350 ppm max. |
| Arsenic (As) | A.A.S. | 500 ppm max. |
| Iron (Fe) | A.A.S. | 30 ppm max. |
| Copper (Cu) | A.A.S. | 5 ppm max. |
| Nickel (Ni) | A.A.S. | 5 ppm max. |
| Chloride (Cl) | Silver Nitrate method | 20 ppm max. |
| Sulphate (SO4) | Barium Chloride method | 5 ppm max. |
| Physical | ||
| Average particle size | Fisher sub-sieve sizer | 1.1 Micron max. |
| Bulk density | Measuring cup | 1.0 max. |
| Sieve Refusal (44 µ m/325 mesh) | ISO 787-7 | 0.02 % max. |
| % Transmission( W.I. No. 402002 ) | UV-Visible Spectrophotometer meter | 94.0 % min. |
| Whiteness Index | ||
| L value | Hunter scale | 94.0 min. |
| B value | Hunter scale | 1.7 max. |
Standard packing - 25 kg HDPE Laminated Paper bags, 50 kg Fiber/HDPE drum, 1MT PP Jumbo bags. We can also supply in special packing as per customer’s requirement.
Catalyst in the manufacture of polyester Chips/Fiber/Yarn. Reagent for preparation of organic Antimony compounds.
