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PP Dynacom XK4839 Dynachem Co. Ltd.
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | Dynachem Co. Ltd./Dynacom XK4839 |
|---|---|---|---|
| Impact strength of cantilever beam gap | 23°C,3.20mm | ASTM D256 | 29 J/m |
| hardness | Test Condition | Test Method | Dynachem Co. Ltd./Dynacom XK4839 |
|---|---|---|---|
| Rockwell hardness | R级 | ASTM D785 | 100 |
| Electrical performance | Test Condition | Test Method | Dynachem Co. Ltd./Dynacom XK4839 |
|---|---|---|---|
| Volume resistivity | ASTM D257 | 1E+16 ohms·cm | |
| dielectric strength | 1.00mm | ASTM D149 | 40 kV/mm |
| arc resistance | ASTM D495 | 130 sec |
| Mechanical properties | Test Condition | Test Method | Dynachem Co. Ltd./Dynacom XK4839 |
|---|---|---|---|
| elongation | 断裂 | ASTM D638 | 30 % |
| tensile strength | ASTM D638 | 30.0 MPa | |
| Flexural modulus | ASTM D790 | 2350 MPa | |
| bending strength | ASTM D790 | 44.0 MPa |
| flammability | Test Condition | Test Method | Dynachem Co. Ltd./Dynacom XK4839 |
|---|---|---|---|
| UL flame retardant rating | UL 94 | HB |
| physical property | Test Condition | Test Method | Dynachem Co. Ltd./Dynacom XK4839 |
|---|---|---|---|
| melt mass-flow rate | 230°C/2.16kg | ASTM D1238 | 18 g/10min |
| Water absorption rate | 23°C,24hr | ASTM D570 | <0.020 % |
| density | ASTM D792 | 1.04 g/cm³ | |
| Shrinkage rate | MD3 | ASTM D955 | 1.3 % |
| Thermal performance | Test Condition | Test Method | Dynachem Co. Ltd./Dynacom XK4839 |
|---|---|---|---|
| Heat distortion temperature | 0.45MPa,未退火，HDT | ASTM D648 | 130 °C |
| vicat | ASTM D15256 | 157 °C |
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