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Polyethylene Terephthalate (PET) for water bottle grade
This PET chip is TPA-based polyethylene terephthalic copolymer designed for various applications, especially for the bottle like drinking water & food container. It is a high molecular weight polymer.
It is low acetaldehyde content, good color, viscosity stability and low heavy metal content features, excellent further processing features like low processing temperature, high clarity and little degradation.
SPECIFICATION:
| Parameter | Unit | Value | Specification |
| Intrinsic Viscosity (Foreign Trade)(I.V.) | dl/g | 0.80 | 0.8±0.02 |
| Acetaldehyde Content | ppm | 1 | 1Max |
| Color(L-value) | -- | 83 | 83Min |
| Color(B-value) | -- | -0.5 | -0.5Max |
| Melting point | ℃ | 243 | 243±2 |
| Moisture Content | wt% | 0.2 | 0.2Max |
importANT NOTICE FOR USE IN PROCESSING
Drying
Drying is necessary prior to the melt processing to prevent the resin from hydrolysis. Typical
drying conditions are an air temperature of 170+-10℃, 4-6 hours residence time.
