PET Polyester Chips

1

Intrinsic Viscosity(d1/g)

0.640±0.010

0.640

2

Carboxy End Groups

(mmol/kg)

27±4

27

3

Color Values

L

≥80

84.6

b

0.5±2

1.0

4

Melting Point

(℃)

254±2

253

5

Diethylenic Glycol Content(%)

0.9±0.15

0.92

6

Water Content

(%)

≤0.4

0.03

7

Ash Content

(%)

≤0.06

0.03

8

Iron Content

(mg/kg)

≤2

0.8

9

Powder dust

(mg/kg)

≤100

<10

10

Ifregular Chip

(%)

≤0.4

0.0

Standard

GB/T14189-2008

Grade