| Appearance | White or light yellow powder | Conform |
| Initial melting point (°C) | ≥170.0 | 171.5 |
| Ash (%) | ≤0.30 | 0.12 |
| Heating loss (%) | ≤0.30 | 0.18 |
| Residue on sieve (150um%) | ≤0.10 | 0.02 |
| Appearance | White or light yellow powder | Conform |
| Initial melting point (°C) | ≥170.0 | 171.5 |
| Ash (%) | ≤0.30 | 0.12 |
| Heating loss (%) | ≤0.30 | 0.18 |
| Residue on sieve (150um%) | ≤0.10 | 0.02 |