CR-8839 / CR-8839T PET is a kind of hot filling Bottle-grade polyester resin. It is a special-purpose product for hot filling bottle manufacturing aiming at the specific processing and use requirements of hot filling bottles. It is featured with good color value, low aldehyde content, and stable viscosity.
CR-8839 / CR-8839T PET Technical Specifications
| Item | Unit | Index | Test Method |
| Intrinsic Viscosity (Foreign Trade) | dL/g | 0.800 ± 0.02 | ASTM D4603 |
| Content of acetaldehyde | ppm | ≤1 | Gas Chromatography |
| Color value L | – | ≥80 | HunterLab |
| Color value b | – | ≤1 | HunterLab |
| Melting point | °C | 243 ± 2 | DSC |
| Water content | wt% | ≤0.2 | Weight Method |
| Powder dust | ppm | ≤100 | Weight Method |
| Weight of 100 chips | g | 1.55 ± 0.10 | Weight Method |
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