Pet bottle scrap
Products Description
Ttem | Unit | Index | Test method |
Intrinsic Viscosity (Foreign Trade) | dL/g | 0.800±0.02 | GB17931 |
Content of acetaldehyde | ppm | ≤1 | Gas chromatography |
Color value L | - | ≥82 | HunterLab |
Color value b | - | ≤1 | HunterLab |
Carboxyl end group | mmol/kg | ≤30 | Photometric titration |
Melting point | ℃ | 243±2 | DSC |
Water content | wt% | ≤0.2 | Weight method |
Powder dust | ppm | ≤100 | Weight method |
Wt.of 100 chips | 9 | 1.55±0.10 | Weight method |
 |  |
