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Carbonate Bottle Grade Pet Resin
 
Ttem Unit Index Test method
Intrinsic Viscosity (Foreign Trade) dL/g 0.850±0.02 ASTM D4603
Content of a-cetaldehyde ppm ≤1 Gas chromatography
 
Color value 		L - ≥82 HunterLab
b - ≤1 HunterLab
Carboxyl end group mmol/kg ≤30 Photometric titration
Melting point ºC 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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