| No. | Item | General type | Refined type |
| 1 |
Appearance |
Powder shape white crystal. Light grey and pink color allowed. No visible mechanical impurity. |
Powder shape white crystal. Light grey and pink color allowed. No visible mechanical impurity. |
| 2 | Melting point ℃ | ≧200.0 | |
| 3 | Acetone insoluble % | ≦0.10 | |
| 4 | Inorganic insoluble % | ≦0.05 | |
| 5 | Moisture and volatile matter % | ≦0.10 | |
| 6 | Acid value (Nitric) % | ≦0.07 | |
| 7 | Bulk density g/cm3 | ≧0.70 | ≦0.55 |
| 8 | Particle size μm | - | Dv50≦32, Dv97≦65 |
| 9 | Particle size (water sieve method) | - | 100% through 325μm water sieve |
| Remark | Bulk density and particle size can be adjusted with customers’ requirement. | ||
| When acetone insoluble content lower than inorganic insoluble, inorganic insoluble content is not to be tested. | |||
