| About |
|---|
| Product Description | |
|---|---|
| Supplier | Korea Engineering |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Melt Flow Rate | |||
| 190℃，2.16kg | 6 | g/10min | ISO 1133 |
| Shrinkage rate | |||
| TD | 1.7 | % | KEP（平行方向） |
| Water absorption rate | 0.24 | % | ISO 62 |
| Density | 1.35 | g/cm³ | ISO 1183 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Bending modulus | |||
| 23℃ | 1450 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 53 | MPa | ISO 178 |
| Tensile strain | |||
| Yield, 23 ℃ | 13 | % | ISO 527 |
| Fracture, 23 ℃ | ＞60 | % | ISO 527 |
| tensile strength | |||
| 23℃ | 41 | MPa | ISO 527 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| melting point | 165 | ℃ | ISO 3146 |
| Hot deformation temperature | |||
| 1.8 MPa | 66 | ℃ | ISO 75 |
| Linear coefficient of thermal expansion | 12 | ×10-5/℃ | ISO 11359 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1E+16 | ohms | IEC 60093 |
| Volume resistivity | 1×10^16 | ohms·cm | IEC 60093 |
| impact strength | Nominal value | Unit | Test method |
|---|
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 18.0 | kJ/m² | ISO 179 |
| Notes |
|---|
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