| About |
|---|
| Celcon® acetal copolymer grade M15HP is a creep resistant, high viscosity polymer providing optimum performance in general purpose injection molding. This grade provides overall excellent performance in applications requiring high stiffness. Chemical abbreviation according to ISO 1043-1: POM&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Good flexibility |
| Availabilitys | North America,Latin America |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile modulus | 2800 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| yield | 68.0 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| yield | 16 | % | ISO 527-2/1A/50 |
| Bending modulus | |||
| 23℃ | 2750 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 8.5 | kJ/m² | ISO 179/1eA |
| 23℃ | 11 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 240 | kJ/m² | ISO 179/1eU |
| 23℃ | 280 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | |||
| 23℃ | 9.5 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 158 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 101 | ℃ | ISO 75-2/A |
| Melting temperature | 173 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | ISO 11359-2 | ||
| MD | 1.1E-4 | 1/℃ | ISO 11359-2 |
| TD | 1.2E-4 | 1/℃ | ISO 11359-2 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.41 | g/cm³ | ASTM D792 , ISO 1183 |
| Melt Flow Rate | 1.5 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 1.30 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.9 | % | ISO 294-4 |
| MD | 2.3 | % | ISO 294-4 |
| Water absorption rate | ISO 62 | ||
| Saturation, 23 ℃ | 0.75 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
| Density of Melt | 1.170 | g/cm³ | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 100 | °C | |
| Drying time | 3.0 | hr | |
| Barrel rear temperature | 190 to 200 | °C | |
| Barrel middle temperature | 190 to 210 | °C | |
| Barrel front temperature | 190 to 215 | °C | |
| Nozzle temperature | 190 to 220 | °C | |
| Processing (melt) temperature | 205 to 220 | °C | |
| Mold temperature | 90 to 120 | °C | |
| Injection pressure | 90.0 to 140 | MPa | |
| Injection speed | 慢 | ||
| 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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