PET (polyethylene terephthalate)
|
Parameter
|
Unit
|
Grade
|
|
|
|
PET 4
|
PET3
|
PET 2
|
PET 1
|
|
I.V.
|
dL/g
|
0.80 ± 0.020
|
0.820 ± 0.020
|
0.770 ± 0.020
|
0.870 ± 0.020
|
|
DEG
|
%
|
1.40 ± 0.30
|
1.40 ± 0.30
|
1.20 ± 0.30
|
1.10 ± 0.30
|
|
– COOH
|
mmol/kg
|
≤ 35
|
≤ 35
|
≤ 35
|
≤ 35
|
|
AA
|
ug/g
|
≤ 1.0
|
≤ 1.0
|
≤ 1.0
|
≤ 1.0
|
|
Color value
|
L
|
/
|
≥ 80
|
≥ 80
|
≥ 80
|
≥ 80
|
|
B
|
/
|
≤ 1.0
|
≤ 1.0
|
≤ 1.0
|
≤ 1.0
|
|
Powder
|
mg/kg
|
≤ 100
|
≤ 100
|
≤ 100
|
≤ 100
|
|
Melting point
|
°C
|
≥ 240
|
≥ 240
|
≥ 245
|
≥ 240
|
|
Density
|
g/cm3
|
1.40 ± 0.01
|
1.40 ± 0.01
|
1.40 ± 0.01
|
1.40 ± 0.01
|
|
Moisture
|
%
|
≤ 0.2
|
≤ 0.2
|
≤ 0.2
|
≤ 0.2
|
|
Ash
|
%
|
≤ 0.08
|
≤ 0.08
|
≤ 0.08
|
≤ 0.08
|
Package: 25KG PP bag or as buyer's request
