WK-851 PET is a kind of PET polymer material which is widely used in the bottles of all kinds of sparkling beverage and CSD bottles. It has lower energy consumption during processing. The finished product can effectively prevent the leakage of CO₂ in sparkling beverage bottles.
| Parameter | Unit | Value | Test method |
| Intrinsic Viscosity | dL/g | 0.880±0.015 | Q/WK007 |
| Acetaldehyde Content | μg/g | ≤1.0 | Q/WK007 |
| Color (L-value) | — | ≥72.0 | Q/WK007 |
| Color (b-value) | — | ≤-0.5 | Q/WK007 |
| Peak Temperature when Melting（DSC by Nitrogen） | °C | 245± 2 | Q/WK007 |
| Moisture Content | % | ≤0.20 | Q/WK007 |
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