| About |
|---|
| Product Description | |
|---|---|
| Supplier | Korea Engineering |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | High impact resistance,Soft |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.34 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 5.0 | g/10min | ISO 1133 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 60% RH | 0.24 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 43.0 | MPa | ISO 527-2 | |
| 36.0 | MPa | ASTM D638 | |
| Tensile strain | |||
| 23 ℃, fracture | 50 | % | ISO 527-2 |
| 23 ℃, fracture | 300 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 1400 | MPa | ISO 178 |
| 23℃ | 1340 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 53.0 | MPa | ISO 178 |
| 23℃ | 47.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy notch impact strength | 18 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | |||
| 3.2mm | 255 | J/m | ASTM D256 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | |||
| — | 1×10^16 | ohms | ASTM D257 |
| — | 1×10^16 | ohms | IEC 60093 |
| Volume resistivity | |||
| — | 1×10^14 | ohms·cm | ASTM D257 |
| — | 1×10^14 | ohms·cm | IEC 60093 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting temperature | 165 | ℃ | |
| Linear coefficient of thermal expansion | |||
| Flow: 20 ℃~80 ℃ | 13E-5 | ASTM D696 | |
| Thermal distortion temperature | |||
| 1.8MPa, unannealed | 83 | ℃ | ASTM D648 |
| 1.8MPa, unannealed | 72 | ℃ | ISO 75-2/A |
| Notes |
|---|
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