Pet Polyester Chip Manufacturer – Antimony free semi dull L-type – DONGTAI
Pet Polyester Chip Manufacturer – Antimony free semi dull L-type – DONGTAI Detail:
Application
It can be used to manufacture polyester staple fibers and filaments. It is a green basic raw material for polyester enterprises to process fibers and related products.
Typital Properties
DH hyti antimony free semi dull L-shaped slice product quality
Serial number | Items | Unit | Quality index | (L-17)Test results | Test method / Standard | |
1 | Intrinsic viscosity | dL/g | 0.675± 0.025 | 0.68 | GB/T 14190-2017 | |
2 | Melting point | ℃ | 260±3 | 261 | ||
3 | Terminal carboxyl content | mol/t | ≤28 | 9.4 | ||
4 | Chromaticity |
B value |
8±2 | 9.1 | ||
L value |
≥80 | 85.6 | ||||
5 | Moisture (mass fraction) | % | ≤0.5 | 0 | ||
6 | ≥ 10 µ m Agglutinated particles | /mg | ≤6.0 | 0 | ||
7 | Diethylene glycol content (mass fraction) | % | 1.20±0.30 | 1.23 | ||
8 | Iron content | mg/kg | ≤2 | 1 | ||
9 | Powder | mg/kg | ≤100 | 1 | ||
10 | Abnormal slice (mass fraction) | % | ≤0.6 | 0 | ||
11 | Antimony content | ppm | ≤10 | ND | According to US EPAmethod3052:1996,ICP-OES was used |
The central value of carboxyl end group content shall be determined within the range of ≤ 28mol / T through negotiation between the supplier and the buyer. Once determined, it shall not be changed arbitrarily.
The central value of chromaticity b value shall be determined within the range of ≤ 10 by both parties through negotiation. Once determined, it shall not be changed arbitrarily.
The central value of diethylene glycol content shall be determined within the range of ≤ 1.5% through negotiation between the supplier and the buyer. Once determined, it shall not be changed arbitrarily.
Antimony content index: the detection limit of the method is 10ppm, and Nd is not detected.
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