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Celcon® M25
| Category: | Acetal (POM) Copolymer , Acetal (POM) Copolymer |
| Manufacturer: | Celanese Corporation |
| Trademark: | Celcon® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | mR51pq_Celcon-M25.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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Celcon® acetal copolymer grade M25 is a high molecular weight, higher toughness and impact resistance grade primarily used for extrusion and selected injection molding applications. Chemical abbreviation according to ISO 1043-1: POM Please also see Hostaform® C 2521. |
| General Information | |
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| Features |
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| RoHS Compliance |
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| Processing Method |
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| Multi-Point Data |
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| Resin ID (ISO 1043) |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.41 | g/cm³ | ASTM D792, ISO 1183 |
| Melt Mass-Flow Rate (MFR) | 2.5 | g/10 min | ASTM D1238 |
| Melt Volume-Flow Rate (MVR) (190°C/2.16 kg) | 2.20 | cm³/10min | ISO 1133 |
| Molding Shrinkage | |||
| Flow | 2.2 | % | ASTM D955 |
| Transverse flow | 1.8 | % | ASTM D955 |
| Vertical flow direction | 1.8 | % | ISO 294-4 |
| Flow direction | 2.2 | % | ISO 294-4 |
| Water Absorption | ISO 62 | ||
| Saturated, 23°C | 0.75 | % | ISO 62 |
| Equilibrium, 23°C, 50% RH | 0.20 | % | ISO 62 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 2460 | MPa | ISO 527-2/1A/1 |
| Tensile Strength | |||
| Yield, -40°C | 94.5 | MPa | ASTM D638 |
| Yield, 23°C | 60.7 | MPa | ASTM D638 |
| Yield, 71°C | 34.5 | MPa | ASTM D638 |
| Yield | 63.0 | MPa | ISO 527-2/1A/50 |
| Tensile Strain (Yield) | 12 | % | ISO 527-2/1A/50 |
| Tensile Creep Modulus | ISO 899-1 | ||
| 1 hr | 2100 | MPa | ISO 899-1 |
| 1000 hr | 1100 | MPa | ISO 899-1 |
| Flexural Modulus (23°C) | 2430 | MPa | ISO 178 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Notched Impact Strength (23°C) | 9.1 | kJ/m² | ISO 179/1eA |
| Charpy Unnotched Impact Strength | ISO 179/1eU | ||
| -30°C | 190 | kJ/m² | ISO 179/1eU |
| 23°C, local fracture | 250 | kJ/m² | ISO 179/1eU |
| Notched Izod Impact (23°C) | 8.3 | kJ/m² | ISO 180/1A |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | |||
| 1.8 MPa, not annealed | 110 | °C | ASTM D648 |
| 1.8 MPa, not annealed | 94.0 | °C | ISO 75-2/A |
| Melting Temperature | |||
| -- 1 | 166 | °C | ISO 11357-3 |
| -- | 165 | °C | ASTM D3418 |
| Linear thermal expansion coefficient | ISO 11359-2 | ||
| Flow | 1.2E-4 | cm/cm/°C | ISO 11359-2 |
| Lateral | 1.2E-4 | cm/cm/°C | ISO 11359-2 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | 1.0E+14 | ohms·cm | ASTM D257 |
| Fill Analysis | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density of Melt | 1.200 | g/cm³ | Internal method |
| Ejection Temperature | 165 | °C | Internal method |
| Specific Heat Capacity of Melt | 2210 | J/kg/°C | Internal method |
| Thermal Conductivity of Melt | 0.16 | W/m/K | Internal method |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 80.0 - 100 | °C | |
| Drying Time | 3.0 | hr | |
| Rear Temperature | 170 - 180 | °C | |
| Middle Temperature | 180 - 190 | °C | |
| Front Temperature | 180 - 190 | °C | |
| Nozzle Temperature | 190 - 200 | °C | |
| Processing (Melt) Temp | 180 - 200 | °C | |
| Mold Temperature | 80.0 - 120 | °C | |
| Injection Pressure | 60.0 - 120 | MPa | |
| Injection Rate | Slow | ||
| Holding Pressure | 60.0 - 120 | MPa | |
| Back Pressure | 0.00 - 0.500 | MPa |
| Injection instructions |
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| Manifold Temperature: 180 to 200°CZone 4 Temperature: 190 to 200°C |
| Note Message | |
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| 1 . | 10°C/min |
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