Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM ST-20 CHONGQING YUNTIANHUA
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Gear、Washer、Car buckle、sleeve
Fatigue resistance、High toughness、High impact、Chemical resistance
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Plastic Datasheets
physical property
Test Condition
Test Method
Unit
POM/CHONGQING YUNTIANHUA/ST-20
density
ISO1183
g/cm³
1
Melt mass flow rate
190°C/2.16kg
ISO1133
g/10min
7
Water absorption rate
23°C,24hr
ISO62
%
0
Mechanical performance
Test Condition
Test Method
Unit
POM/CHONGQING YUNTIANHUA/ST-20
Tensile modulus
ISO527-2
Mpa
1
Tensile strain
断裂
ISO527-2
%
1
Tensile stress
屈服
ISO527-2
Mpa
3
Bending modulus
ISO178
Mpa
1
Bending stress
ISO178
Mpa
3
Thermal performance
Test Condition
Test Method
Unit
POM/CHONGQING YUNTIANHUA/ST-20
Hot deformation temperature
1.8MPa,未退火
ISO75-2/A
°C
6
Impact performance
Test Condition
Test Method
Unit
POM/CHONGQING YUNTIANHUA/ST-20
Charpy Notched Impact Strength
ISO179/1eA
kJ/m²
2