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  • Recycled-WDPET

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Recycled-WDPET

This is a kind of polyester chip that can dissolve in alkaline aqueous solution and is mainly used for spinning sea-island fiber. It has the advantages of good spinnability,low thermal oxygen degradation, fast splitting and clear cross section.

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Product Features：


Product introduction as above

Main quality index：

 (GRS certification after consumption)


Serial number

Item

Unit

Value

Note

1

Intrinsic viscosity

dl/g

M1±0.015

Customizable

2

Melting point

℃

≥244


3

Diethylene glycol

%

3.5±0.20


4

Color value

L


≥48


b


M2±2


a


≤-0.5


5

Moisture

%

≤0.4


6

Solubility

%

M3±5



Note：


1.M1 in the table is the median value of intrinsic viscosity. in general M1=0.610 or it should be determined by both buyer and seller.


2.M2 in the table is the median value of color b. in general M2=4 or it should be determined by both buyer and seller.


3.M3 in the table is the median value of solubility, in general M3=72 or it should be determined by both buyer and seller.


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