Test Item | Quality Index | Test result | ||
Superior product | Qualified | |||
Appreance | White powder | White powder | ||
Content≥ | 99.5 | 99.0 | 99.9 | |
Moisture % ≤ | 0.1 | 0.2 | 0.01 | |
Ash content % ≤ | 0.03 | 0.05 | 0.02 | |
PH value | 7.5-9.5 | 8.9 | ||
Solubility in formaldehyde | Dissolved in 10 minutes | Dissolved in 10 minutes | ||
Kaolin turbidity degree ≤ | 20 | 30 | 5 | |
Color (Pt-Co) degree ≤ | 20 | 30 | 10 |