Complaint
| NO. | Test Item | Standard |
| 1 | Color | White or almost white, or yellowish no different color |
| 2 | Odor | It has the odor that the product should have,no peculiar smell |
| 3 | State form | In granular, flake or powder form, no visible mpurities |
| 4 | Moisture % | 14 |
| 5 | Finess.(psss 100 mesh)% | ≥98.0 |
| 6 | Spot,(piece/cm2) | ≤2.0 |
| 7 | PH | 5.0-7.5 |
| 8 | Whiteness (457nm Blue light reflectivity)% | ≥89.0 |
| 9 | Viscosity.5%, BU | ≥800 |
| 10 | Acetyl | ≤2.5 |
| 11 | Ash,% | ≤0.5 |
