Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM Copolymer KOCETAL® UR303 KOLON KOREA
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | KOLON KOREA/KOCETAL® UR303 |
|---|---|---|---|
| Impact strength of cantilever beam gap | 23°C | ASTM D256 | 110 J/m |
| hardness | Test Condition | Test Method | KOLON KOREA/KOCETAL® UR303 |
|---|---|---|---|
| Rockwell hardness | M级 | ASTM D785 | 65 |
| Mechanical properties | Test Condition | Test Method | KOLON KOREA/KOCETAL® UR303 |
|---|---|---|---|
| bending strength | 23°C | ASTM D790 | 68.0 MPa |
| tensile strength | 23°C | ASTM D638 | 47.0 MPa |
| Flexural modulus | 23°C | ASTM D790 | 1880 MPa |
| elongation | 断裂,23°C | ASTM D638 | 100 % |
| Electrical performance | Test Condition | Test Method | KOLON KOREA/KOCETAL® UR303 |
|---|---|---|---|
| Volume resistivity | ASTM D257 | 1E+14 ohms·cm | |
| dielectric strength | ASTM D149 | 19 kV/mm | |
| Surface Resistivity | ASTM D257 | 1E+16 ohms | |
| Dissipation Factor | 1MHz | ASTM D150 | 6E-03 |
| dielectric constant | ASTM D150 | 3.70 |
| flammability | Test Condition | Test Method | KOLON KOREA/KOCETAL® UR303 |
|---|---|---|---|
| UL flame retardant rating | UL 94 | HB |
| physical property | Test Condition | Test Method | KOLON KOREA/KOCETAL® UR303 |
|---|---|---|---|
| Shrinkage rate | MD | ASTM D955 | 1.7 % |
| Water absorption rate | 平衡,23°C,60%RH | ASTM D570 | 0.25 % |
| density | ASTM D792 | 1.37 g/cm³ | |
| melt mass-flow rate | 190°C/2.16kg | ASTM D1238 | 8.0 g/10min |
| Thermal performance | Test Condition | Test Method | KOLON KOREA/KOCETAL® UR303 |
|---|---|---|---|
| Heat distortion temperature | 1.8MPa,未退火，HDT | ASTM D648A | 86.0 °C |
| 0.45MPa,未退火，HDT | ASTM D648A | 148 °C | |
| melting temperature | ASTM D1525 | 166 °C | |
| Linear coefficient of thermal expansion | MD | ASTM D696 | 1.3E-05 cm/cm/°C |
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