| About |
|---|
| Kocetal K300HRD is U.V. stabilized grade suitable for out door applications.&& |
| Product Description | |
|---|---|
| Supplier | Kolon |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,HB |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ASTM D792 |
| Density | 1.41 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 10 | g/10min | ISO 1133 |
| 190℃，2.16kg | 11 | g/10min | ASTM D1238 |
| Shrinkage rate | ISO 294-4 | ||
| MD | 2.0 | % | ASTM D955 |
| TD | 2.2 | % | ISO 294-4 |
| MD | 2.3 | % | ISO 294-4 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 60% RH | 0.22 | % | ASTM D570 |
| 23℃，24hr | 0.61 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 7.0 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | |||
| 23℃ | 65 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 110 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 89.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 158 | ℃ | ASTM D648 |
| Melting temperature | 166 | ℃ | ISO 11357-3 |
| Melting temperature | 166 | ℃ | |
| Linear coefficient of thermal expansion | |||
| MD | 1.3E-4 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+13 | ohms | ASTM D257 |
| Surface resistivity | 1.0E+16 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+11 | ohms·cm | ASTM D257 |
| Volume resistivity | 1.0E+14 | ohms·cm | IEC 60093 |
| Dielectric strength | 19 | kV/mm | ASTM D149 |
| Dielectric strength | 19 | kV/mm | IEC 60243-1 |
| Dielectric constant | 3.70 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 0.060 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.80 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 23 ℃ | 61.0 | MPa | ISO 527-2 |
| Yield, 23 ℃ | 62.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 40 | % | ISO 527-2 |
| Yield, 23 ℃ | 50 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 2400 | MPa | ISO 178 |
| 23℃ | 2400 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 76.0 | MPa | ISO 178 |
| 23℃ | 85.0 | MPa | ASTM D790 |
| Rockwell hardness | |||
| M-level | 80 | ASTM D785 | |
| M-level | 93 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 90 | °C | |
| Drying time | 3.0 | hr | |
| Barrel rear temperature | 180 | °C | |
| Barrel middle temperature | 190 | °C | |
| Barrel front temperature | 190 | °C | |
| Nozzle temperature | 200 | °C | |
| Processing (melt) temperature | < 220 | °C | |
| Mold temperature | 60 to 80 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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