Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM 7520 ASAHI JAPAN
TENAC™-C
Thin walled products、Fasteners、Valve components
High mobility
UL
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
POM/ASAHI JAPAN/7520
Wear rate
ASTM D-1044
mg/1000次
1
Melt mass flow rate
ASTM D-1238
gr/10min
3
Melt mass flow rate
ASTM D1238/ISO 1133
g/10min
3
Shrinkage rate
ASTM D955
%
1
Shrinkage rate
旭化成方法
%
1
Moisture absorption rate
ASTM D-570
%
0
Water absorption rate 23 ℃/24h
ASTM D570/ISO 62
%
0
Mechanical performance
Test Condition
Test Method
Unit
POM/ASAHI JAPAN/7520
Flexural strength
ASTM D-790
Mpa
9
Scratch resistance coefficient
ASTM D-790
Mpa
2
tensile strength
ASTM D638/ISO 527
kg/cm²(MPa)[Lb/in²]
6
tensile strength
ASTM D-638
Mpa
6
Rockwell hardness
ASTM D-785
R scale
1
Rockwell hardness
ASTM D-785
M Scale
8
elongation
ASTM D638/ISO 527
%
5
Bending modulus
ASTM D790/ISO 178
kg/cm²(MPa)[Lb/in²]
2
bending strength
ASTM D790/ISO 178
kg/cm²(MPa)[Lb/in²]
9
Impact strength of cantilever beam gap
ASTM D256/ISO 179
kg·cm/cm(J/M)ft·lb/in
5
Cantilever beam notch impact strength
ASTM D-256
J/m
5
Elongation rate
ASTM D-638
%
5
Thermal performance
Test Condition
Test Method
Unit
POM/ASAHI JAPAN/7520
Hot deformation temperature
ASTM D648/ISO 75
℃（℉）
1
Hot deformation temperature
ASTM D648/ISO 75
℃（℉）
1
Hot deformation temperature
0.45MPa
ASTM D-645
°C
1
Hot deformation temperature
1.82MPa
ASTM D-645
°C
1
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