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Polyethylene Terephthalate is a high molecular weight polymer for general use in manufacturing containers. It can be used in the production of making packing bottles for carbonated soft drink like cola and 3-gallon, 5-gallon big bottles.
Product features low heavy metal content, low content of acetaldehyde. good color value. Stable viscosity and good for processing. With a unique process recipe and advanced production technology, strengthening the process control and quality management, the product with excellent isolation property is effective in protecting the carbon dioxide from leaking, good in pressure resistance, low temperature processing, wide scope in processing, excellent in transparency, high in finished product rate and can effectively prevent bottles from breaking for the carbonated drinks which are in storage period and under pressure.

Techncal index
|
Ttem |
Unit |
Index |
Test method |
|
|
Intrinsic Viscosity ,(Foreign Trade) |
dL/g |
0.850±0.02
|
ASTM D4603 |
|
|
Content of acetaldehyde |
ppm |
≤1 |
Gas chromatography |
|
|
Color value |
L |
- |
≥82 |
HunterLab |
|
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 |
g |
1.55±0.10 |
Weight method |
|
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