PTA Specification:
| Test Item | Specification |
| PTA Content% | 99% |
| Metal(Fe,Mo,Cr,Ti,Mn,Ni,Co)ppm≤ | ≤4ppm |
| Moisture %≤ | ≤0.5% |
| Fe Ppm≤ | 2ppm |
| DMF Chroma.5%Liquor<APHA> | 10 |
| 4-CBA Ppm≤ | ≤25ppm |
| Acid Num(mg KOH/g) | 675±2 |
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