| About |
|---|
| POM copolymer Injection molding grade with tribological modification for demanding applications that require prevention of audible noise caused by stick-slip phenomenon. Excellent tribological performance with low friction and low wear under various conditions of sliding against plastics and metals. Reduced emission grade. Emissions according to VDA 275 < 5 mg/kg Preliminary Data Sheet&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Low coefficient of friction,Copolymer,Good wear resistance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.40 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 26.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.8 | % | ISO 294-4 |
| MD | 1.9 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.65 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2600 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| yield | 56.0 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| yield | 8.0 | % | ISO 527-2/1A/50 |
| Nominal tensile fracture strain | 45 | % | ISO 527-2/1A/50 |
| Bending modulus | |||
| 23℃ | 2350 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 5.5 | kJ/m² | ISO 179/1eA |
| 23℃ | 5.5 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 150 | kJ/m² | ISO 179/1eU |
| 23℃ | 150 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 90.0 | ℃ | ISO 75-2/A |
| Melting temperature | 166 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 1.4E-4 | 1/℃ | ISO 11359-2 |
| MD | 1.4E-4 | 1/℃ | ISO 11359-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 140 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.15 | % | |
| Hopper temperature | 20 to 30 | °C | |
| Barrel rear temperature | 170 to 175 | °C | |
| Barrel middle temperature | 180 to 185 | °C | |
| Barrel front temperature | 180 to 195 | °C | |
| Nozzle temperature | 190 to 200 | °C | |
| Processing (melt) temperature | 180 to 200 | °C | |
| Mold temperature | 80 to 120 | °C | |
| Injection pressure | 60.0 to 120 | MPa | |
| Injection speed | Slow-Moderate | ||
| Hold pressure | 60.0 to 120 | MPa | |
| Back pressure | 0.00 to 4.00 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 30s |
| 3. 10°C/min |
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