Ethylene-vinyl alcohol copolymer (EVOH)
Specification
|
Property
|
Test Method
|
Typical Value
|
Unit
|
|
Melt Flow Rate
|
ISO 1133 @ 190°C/2.16 kg
|
1.6
|
g/10 min
|
|
Melt Flow Rate
|
ISO 1133 @ 210°C/2.16 kg
|
3.7
|
g/10 min
|
|
Density
|
ISO 1183
|
1.19
|
g/cm3
|
|
Water vapor transmission rate
|
ASTM E96 @ 40°C 90RH
|
1.3
|
|
|
Oxygen transmission rate
|
@ 20°C 0RH
|
0.0059
|
|
|
Oxygen transmission rate
|
@ 20°C 65RH
|
0.0079
|
|
|
Oxygen transmission rate
|
@ 20°C 85RH
|
0.03
|
|
|
Tensile Strength at Break
|
ISO 527 @ 23°C
|
34
|
MPa
|
|
Tensile modulus
|
ISO 527 @ 23°C
|
2700
|
MPa
|
|
Elongation at Break
|
ISO 527 @ 23°C
|
15
|
%
|
|
Flexural modulus
|
ISO 178 @ 23°C
|
4800
|
MPa
|
|
Simply Supported Beam Unnotched Impact
|
ISO 179
|
2
|
Kj/m2
|
|
Hardness
|
ISO 2023
|
90
|
|
|
Crystallization temperature
|
ISO 11357
|
158
|
|
|
Glass transition temperature
|
ISO 11357
|
57
|
℃
|
|
Melting temperature
|
ISO 11357
|
183
|
℃
|

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