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Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM UR304 KOLON KOREA
KOCETAL®
switch,Fasteners
High impact resistance,Low odor and no taste
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Plastic Datasheets
| hardness | Test Condition | Test Method | KOLON KOREA/UR304 |
|---|---|---|---|
| Rockwell hardness | M-Sale | ISO 2039-2 | 83 |
| M-Scale | ASTM D785 | 76 |
| thermal performance | Test Condition | Test Method | KOLON KOREA/UR304 |
|---|---|---|---|
| Hot deformation temperature | 1.8MPa,Unannealed | ASTM D648 | 82.0 °C |
| 1.8MPa,Unannealed | ISO 75-2/A | 72.0 °C | |
| 0.45MPa,Unannealed | ASTM D648 | 145 °C | |
| Linear coefficient of thermal expansion | MD | ASTM D696 | 1.3E-04 cm/cm/°C |
| Melting temperature | ISO 11357-3 | 166 °C |
| mechanical properties | Test Condition | Test Method | KOLON KOREA/UR304 |
|---|---|---|---|
| Bending modulus | 23°C | ISO 178 | 1900 Mpa |
| 23°C | ASTM D790 | 1800 Mpa | |
| bending strength | 23°C | ASTM D790 | 60.0 Mpa |
| 23°C | ISO 178 | 55.0 Mpa | |
| elongation | Yield,23°C | ASTM D638 | 140 % |
| Break,23°C | ISO 527-2 | >50 % | |
| tensile strength | Yield,23°C | ASTM D638 | 45.0 Mpa |
| 23°C | ISO 527-2 | 45.0 Mpa |
| Electrical performance | Test Condition | Test Method | KOLON KOREA/UR304 |
|---|---|---|---|
| Dielectric constant | ASTM D150 | 3.70 | |
| Dielectric strength | ASTMD149 | 19 KV/mm | |
| Dissipation factor | 1MHz | ASTM D150 | 6E-03 |
| Surface resistivity | ASTMD257 | 1E+16 ohms | |
| Volume resistivity | ASTMD257 | 1E+14 ohms·cm |
| Physical properties | Test Condition | Test Method | KOLON KOREA/UR304 |
|---|---|---|---|
| density | ASTMD792 | 1.36 g/cm³ | |
| melt mass-flow rate | 190°C/2.16kg | ASTM D1238 | 12 g/10min |
| 190°C/2.16kg | ISO 1133 | 7.5 g/10min | |
| Shrinkage rate | MD | ISO 294-4 | 2.0 % |
| MD | ASTM D955 | 1.7 % | |
| TD | ISO 294-4 | 2.2 % | |
| Water absorption rate | 23°C,24hr | ISO 62 | 0.63 % |
| Equilibrium,23°C,60%RH | ASTM D570 | 0.25 % |
| impact performance | Test Condition | Test Method | KOLON KOREA/UR304 |
|---|---|---|---|
| Charpy Notched Impact Strength | 23°C | ISO 179/1eA | 13 kJ/m² |
| Impact strength of cantilever beam gap | 23°C | ASTM D256 | 130 J/m |
| flammability | Test Condition | Test Method | KOLON KOREA/UR304 |
|---|---|---|---|
| UL flame retardant rating | 0.8mm | UL 94 | HB |