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Celcon® GC25A
| 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: | Nez0i7_Celcon-GC25A.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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Celcon® acetal copolymer grade GC25A is a glass coupled formulation containing 25% reinforced fiber glass. This grade offers excellent strength, stiffness and heat distortion temperature with lower mold shrinkage, minimum thermal expansion, excellent dimensional stability and good moldability. Chemical abbreviation according to ISO 1043-1: POM |
| General Information | |
|---|---|
| Filler / Reinforcement |
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| Features |
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| RoHS Compliance |
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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 | 1.58 | g/cm³ | ASTM D792, ISO 1183 |
| Molding Shrinkage | |||
| Flow | 0.40 | % | ASTM D955 |
| Transverse flow | 1.4 | % | ASTM D955 |
| Vertical flow direction | 1.2 | % | ISO 294-4 |
| Flow direction | 0.40 | % | ISO 294-4 |
| Water Absorption | ISO 62 | ||
| Saturated, 23°C | 0.80 | % | ISO 62 |
| Equilibrium, 23°C, 50% RH | 0.20 | % | ISO 62 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 8600 | MPa | ISO 527-2/1A/1 |
| Tensile Strength | |||
| Fracture, -40°C | 159 | MPa | ASTM D638 |
| Fracture, 23°C | 110 | MPa | ASTM D638 |
| Fracture, 71°C | 68.9 | MPa | ASTM D638 |
| Fracture | 106 | MPa | ISO 527-2/1A/5 |
| Tensile Strain (Break) | 2.0 | % | ISO 527-2/1A/5 |
| Flexural Modulus (23°C) | 8700 | MPa | ISO 178 |
| Flexural Stress (23°C) | 160 | MPa | ISO 178 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Notched Impact Strength (23°C) | 6.4 | kJ/m² | ISO 179/1eA |
| Charpy Unnotched Impact Strength | ISO 179/1eU | ||
| -30°C | 35 | kJ/m² | ISO 179/1eU |
| 23°C | 25 | kJ/m² | ISO 179/1eU |
| Notched Izod Impact (23°C) | 6.0 | kJ/m² | ISO 180/1A |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | |||
| 1.8 MPa, not annealed | 163 | °C | ASTM D648 |
| 1.8 MPa, not annealed | 160 | °C | ISO 75-2/A |
| Melting Temperature | |||
| -- 1 | 165 | °C | ISO 11357-3 |
| -- | 166 | °C | ASTM D3418 |
| Linear thermal expansion coefficient | ISO 11359-2 | ||
| Flow | 2.5E-5 | cm/cm/°C | ISO 11359-2 |
| Lateral | 1.2E-4 | cm/cm/°C | ISO 11359-2 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | 1.4E+14 | ohms·cm | ASTM D257 |
| 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 | 90.0 - 120 | °C | |
| Injection Pressure | 90.0 - 140 | MPa | |
| Injection Rate | Slow | ||
| Holding Pressure | 90.0 - 140 | 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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