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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-18-2025 | 0.73 $* | 0.45 $* |
Aug-18-2025 | 0.84 $* | 0.39 $* |
Jul-18-2025 | 0.97 $* | 0.75 $* |
Jun-18-2025 | 0.28 $* | 0.72 $* |
May-18-2025 | 0.86 $* | 0.94 $* |
Apr-18-2025 | 0.71 $* | 0.34 $* |
Mar-18-2025 | 0.14 $* | 0.86 $* |
Feb-18-2025 | 0.89 $* | 0.10 $* |
Jan-18-2025 | 0.44 $* | 0.86 $* |
Project | Unit | For food packaging | Non-food packaging use | |||||||||||||
Copolymerization | Homopolymerization | |||||||||||||||
Premium | Qualified product | Premium | Qualified product | Qualified product | ||||||||||||
1 | Intrinsic viscosity | dL/g | M1±0.015 | M1±0.020 | M1±0.015 | M1±0.020 | M1±0.020 | |||||||||
2 | Acetaldehyde content | ug/g | ≤1.0 | - | ||||||||||||
3 | Chroma | b value | ≤2.0 | ≤3.0 | ||||||||||||
4 | L value | ≥80 | ||||||||||||||
5 | Diethylene glycol content (mass fraction) | % | M2±0.2 | M2±0.3 | M2±0.2 | M2±0.3 | M2±0.3 | |||||||||
6 | Carboxyl terminal content | mmol/kg | ≤35 | |||||||||||||
7 | Melting point (DSC method) | ℃ | M3±2 | |||||||||||||
8 | Granular appearance | powder | mg/kg | ≤100 | ||||||||||||
9 | Heterochromatic particles | Grain/500g | None | ≤1 | None | ≤1 | ≤1 | |||||||||
10 | Moisture (mass fraction) | % | ≤0.4 | |||||||||||||
11 | density | g/cm³ | M4±0.01 | |||||||||||||
12 | Ash (mass fraction) | % | ≤0.08 | |||||||||||||
Note 1: In the items in this table, the acetaldehyde content requirements are mandatory, and the rest are recommended. Note 2: M₁, M₂, M₃, M₃, and M4 are the nominal values of this indicator for each grade of product. | ||||||||||||||||
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