Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM UR304 KOLON KOREA
KOCETAL®
switch、Fasteners
High impact resistance、Low odor and no taste
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
POM/KOLON KOREA/UR304
density
ASTMD792,ISO1183
g/cm³
1
Melt mass flow rate
190°C/2.16kg
ASTMD1238
g/10min
1
Melt mass flow rate
190°C/2.16kg
ISO1133
g/10min
7
Shrinkage rate
MD
ASTMD955
%
1
Shrinkage rate
TD
ISO294-4
%
2
Shrinkage rate
MD
ISO294-4
%
2
Water absorption rate
23°C,24hr
ISO62
%
0
Water absorption rate
平衡,23°C,60%RH
ASTMD570
%
0
Mechanical performance
Test Condition
Test Method
Unit
POM/KOLON KOREA/UR304
Charpy Notched Impact Strength
23°C
ISO179/1eA
kJ/m²
1
tensile strength
屈服,23°C
ASTMD638
Mpa
4
tensile strength
23°C
ISO527-2
Mpa
4
elongation
屈服,23°C
ASTMD638
%
1
elongation
断裂,23°C
ISO527-2
%
>
Bending modulus
23°C
ASTMD790
Mpa
1
Bending modulus
23°C
ISO178
Mpa
1
bending strength
23°C
ASTMD790
Mpa
6
bending strength
23°C
ISO178
Mpa
5
Impact strength of cantilever beam gap
23°C
ASTMD256
J/m
1
Thermal performance
Test Condition
Test Method
Unit
POM/KOLON KOREA/UR304
Hot deformation temperature
0.45MPa,未退火
ASTMD648
°C
1
Hot deformation temperature
1.8MPa,未退火
ASTMD648
°C
8
Hot deformation temperature
1.8MPa,未退火
ISO75-2/A
°C
7
Melting temperature
ISO11357-3
°C
1
Linear coefficient of thermal expansion
MD
ASTMD696
cm/cm/°C
1
Electrical performance
Test Condition
Test Method
Unit
POM/KOLON KOREA/UR304
Surface resistivity
ASTMD257,IEC60093
ohms
1
Dielectric strength
ASTMD149,IEC60243-1
KV/mm
1
Volume resistivity
ASTMD257,IEC60093
ohms·cm
1
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