| About |
|---|
| Hot diesel, medium-low viscosity grade, providing excellent resistance to sour or hot diesel not sacrificing acetal’s own mechanical properties. FR-20H has a dark yellow color.&& |
| Product Description | |
|---|---|
| Supplier | Korea Engineering |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Fuel resistance |
| Availabilitys | North America,Latin America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 10 | g/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：3.0 mm | 1.6 | % | Internal Method |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 60.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| yield | 8.5 | % | ISO 527-2 |
| Nominal tensile fracture strain | 31 | % | ISO 527-2 |
| Bending modulus | |||
| 23℃ | 2500 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 80.0 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 7.0 | kJ/m² | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 90.0 | ℃ | ISO 75-2/A |
| Melting temperature | 165 | ℃ | ISO 11357-3 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric strength | 19 | kV/mm | IEC 60243-1 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 100mm diameter |
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