Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM 7520 ASAHIKASEI ZHANGJIAGANG
TENAC™-C
Industrial applications、Automotive Applications、Engine parts、Shell、Engineering accessories、currency、Fasteners
High mobility、Medium viscosity
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | ASAHIKASEI ZHANGJIAGANG/7520 |
|---|---|---|---|
| Impact strength of cantilever beam gap | ASTMD256 | 61 J/m | |
| Charpy Notched Impact Strength | ISO179 | 5.0 kJ/m² |
| hardness | Test Condition | Test Method | ASAHIKASEI ZHANGJIAGANG/7520 |
|---|---|---|---|
| Rockwell hardness | R级 | ASTMD785 | 115 |
| M级 | ASTMD785 | 80 |
| Mechanical properties | Test Condition | Test Method | ASAHIKASEI ZHANGJIAGANG/7520 |
|---|---|---|---|
| Tensile stress | -- | ASTMD638 | 64.0 Mpa |
| elongation | 断裂 | ASTMD638 | 32 % |
| Flexural modulus | ASTMD790,ISO178 | 2600 Mpa | |
| ASTMD1044 | 14.0 mg | ||
| Tensile stress | 屈服 | ISO527-2 | 64.0 Mpa |
| Tensile modulus | ISO527-2 | 2800 Mpa | |
| elongation | 断裂 | ISO527-2 | 30 % |
| bending strength | ASTMD790 | 93.0 Mpa |
| Electrical performance | Test Condition | Test Method | ASAHIKASEI ZHANGJIAGANG/7520 |
|---|---|---|---|
| dielectric constant | 23°C,1MHz | ASTMD150 | 3.90 |
| Volume resistivity | 23°C | ASTMD257 | 1.0E+15到1.0E+16 ohms·cm |
| arc resistance | ASTMD495 | 250 sec | |
| Dissipation Factor | 23°C,1MHz | ASTMD150 | 8E-03 |
| dielectric strength | ASTMD149 | 19 KV/mm | |
| Surface Resistivity | ASTMD257 | 1.0E+16到1.0E+17 ohms |
| flammability | Test Condition | Test Method | ASAHIKASEI ZHANGJIAGANG/7520 |
|---|---|---|---|
| UL flame retardant rating | 0.75mm | UL94 | HB |
| 1.5mm | UL94 | HB |
| physical property | Test Condition | Test Method | ASAHIKASEI ZHANGJIAGANG/7520 |
|---|---|---|---|
| density | ASTMD792,ISO1183 | 1.41 g/cm³ | |
| Shrinkage rate | MD | 内部方法 | 1.6到2.0 % |
| Water absorption rate | 23°C,24hr,50%RH | ASTMD570 | 0.20 % |
| melt mass-flow rate | 190°C/2.16kg | ISO1133 | 30 g/10min |
| Thermal performance | Test Condition | Test Method | ASAHIKASEI ZHANGJIAGANG/7520 |
|---|---|---|---|
| 0.45MPa,未退火 | ASTMD648 | 158 °C | |
| 0.45MPa,未退火 | ISO75-2/B | 157 °C | |
| thermal conductivity | 0.23 W/m/K | ||
| 1.8MPa,未退火 | ISO75-2/A | 100 °C | |
| MD | ASTMD696,ISO11359-2 | 1E-04 cm/cm/°C | |
| specific heat | 1470 J/kg/°C | ||
| 1.8MPa,未退火 | ASTMD648 | 110 °C |
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