Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM 7520 ASAHI JAPAN
TENAC™-C
Thin walled products、Valve components、Fasteners
High mobility
UL
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Plastic Datasheets
Physical properties
Test Condition
Test Method
Unit
POM/ASAHI JAPAN/7520
Molding shrinkage rate
ASTM D955
%
1
Melt index (flow coefficient)
ASTM D1238/ISO 1133
g/10min
3
Water absorption rate 23 ℃/24h
ASTM D570/ISO 62
%
0
physical property
Test Condition
Test Method
Unit
POM/ASAHI JAPAN/7520
Wear rate
ASTM D-1044
mg/1000次
1
Shrinkage rate
旭化成方法
%
1
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 D-638
Mpa
6
tensile strength
ASTM D638/ISO 527
kg/cm²(MPa)[Lb/in²]
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
Cantilever beam notch impact strength
ASTM D-256
J/m
5
Elongation rate
ASTM D-638
%
5
IZOD notch impact strength
ASTM D256/ISO 179
kg·cm/cm(J/M)ft·lb/in
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
Basic performance
Test Condition
Test Method
Unit
POM/ASAHI JAPAN/7520
Melt index
ASTM D-1238
gr/10min
3
Moisture absorption rate
ASTM D-570
%
0