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Quality Indices for Carbonated Bottle-grade PET | ||||||
Item | Unit | Index | ||||
I.V. | dL/g | 0.8±0.02 | ||||
Crystallinity | % | ≤60 | ||||
Color value | L | - | ≥83 | |||
B | - | ≤-0.5 | ||||
Content of COOH | mol/t | ≤25 | ||||
Content of acetaldehyde | ppm | ≤1.0 | ||||
Dust content | ppm | ≤100 | ||||
Melting point | ℃ | 243±2 | ||||
Wt. of 100 chilps | g | 1.55±0.10 | ||||
Item | Unit | Index | ||
I.V. | dL/g | 0.775±0.02 | ||
Crystallinity | % | ≤60 | ||
Color value | L | -- | ≥83 | |
B | Mpa | ≤-0.5 | ||
Content of COOH | mol/t | ≤25 | ||
Content of acetaldehyde | ppm | ≤1.0 | ||
Melting point | ℃ | 258~262 | ||
Wt. of 100 chips | g | 1.55±0.10 | ||
Moisture | % | ≤0.4 | ||
Dust content | ppm | ≤100 | ||













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