Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM 7520 ASAHIKASEI ZHANGJIAGANG
TENAC™-C
Gear、Engineering accessories、Industrial applications、Fasteners、Automotive Applications、currency、Shell
High mobility、Medium viscosity
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
POM/ASAHIKASEI ZHANGJIAGANG/7520
Density/specific gravity
ASTMD792,ISO1183
g/cm³
1
Melt mass flow rate
190°C/2.16kg
ISO1133
g/10min
3
Shrinkage rate
MD
内部方法
%
1
Water absorption rate
23°C,24hr,50%RH
ASTMD570
%
0
Mechanical performance
Test Condition
Test Method
Unit
POM/ASAHIKASEI ZHANGJIAGANG/7520
Tensile modulus
ISO527-2
Mpa
2
Tensile stress
屈服
ISO527-2
Mpa
6
Tensile stress
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ASTMD638
Mpa
6
elongation
断裂
ASTMD638
%
3
elongation
断裂
ISO527-2
%
3
Taber abraser
ASTMD1044
mg
1
Bending modulus
ASTMD790,ISO178
Mpa
2
bending strength
ASTMD790
Mpa
9
Thermal performance
Test Condition
Test Method
Unit
POM/ASAHIKASEI ZHANGJIAGANG/7520
Hot deformation temperature
0.45MPa,未退火
ASTMD648
°C
1
Hot deformation temperature
0.45MPa,未退火
ISO75-2/B
°C
1
Hot deformation temperature
1.8MPa,未退火
ASTMD648
°C
1
Hot deformation temperature
1.8MPa,未退火
ISO75-2/A
°C
1
Linear coefficient of thermal expansion
MD
ASTMD696,ISO11359-2
cm/cm/°C
1
Electrical performance
Test Condition
Test Method
Unit
POM/ASAHIKASEI ZHANGJIAGANG/7520
Surface resistivity
ASTMD257
ohms
1
Dielectric strength
ASTMD149
KV/mm
1
Arc resistance
ASTMD495
sec
2
Volume resistivity
23°C
ASTMD257
ohms·cm
1
Impact performance
Test Condition
Test Method
Unit
POM/ASAHIKASEI ZHANGJIAGANG/7520
Charpy Notched Impact Strength
ISO179
kJ/m²
5
Impact strength of cantilever beam gap
ASTMD256
J/m
6