Low impurity contents, relatively cheap, use conveniently, moderate catalytic activity, short condensation time . Used as polyester catalyst, enamels and ceramic products covering agent, whitening agent, plastic flame retardant, etc.
| Index | Spec. |
| Sb2O3(Reported on a dry basis) , % | 99.9 Min |
| Arsenic, ppm | 100 Max |
| Cadmium, ppm | 10 Max |
| Copper, ppm | 10 Max |
| Iron, ppm | 10 Max |
| Mercury, ppm | 10 Max |
| Lead, ppm | 100 Max |
| Selenium, ppm | 10 Max |
| Average Particle Size, micron | 0.8 Max |
| Transmittance in MEG(2wt%), % | 97 Min |
