| About |
|---|
| Preliminary Data Sheet Hostaform® acetal copolymer grade CP15X is a creep resistant, high viscosity polymer providing excellent performance in general purpose injection molding. This grade provides overall excellent performance in applications requiring high stiffness over time.&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good flexibility,High Viscosity |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 1.70 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 2.0 | % | ISO 294-4 |
| MD | 2.1 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.75 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2700 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| yield | 66.0 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| yield | 12 | % | ISO 527-2/1A/50 |
| Nominal tensile fracture strain | 40 | % | ISO 527-2/1A/50 |
| Bending modulus | |||
| 23℃ | 2450 | MPa | ISO 178 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 92.0 | ℃ | ISO 75-2/A |
| Melting temperature | 167 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 1.0E-4 | 1/℃ | ISO 11359-2 |
| MD | 1.0E-4 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+14 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+14 | ohms·cm | IEC 60093 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 100 | °C | |
| Drying time | 3.0 | hr | |
| Barrel rear temperature | 180 to 200 | °C | |
| Barrel middle temperature | 190 to 210 | °C | |
| Barrel front temperature | 190 to 210 | °C | |
| Nozzle temperature | 195 to 215 | °C | |
| Processing (melt) temperature | 200 to 215 | °C | |
| Mold temperature | 90 to 120 | °C | |
| Injection pressure | 90.0 to 140 | MPa | |
| Hold pressure | 90.0 to 140 | MPa | |
| Back pressure | 0.00 to 4.00 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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