| About |
|---|
| POM copolymer Easy flowing Injection molding type for precision molded parts and thin-walled molded parts with high rigidity, hardness and toughness; good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance; high resistance to thermal and oxidative degradation. With UV Additives Burning rate ISO 3795 and FMVSS 302 < 75 mm/min for a thickness more than 1 mm. Ranges of applications: automotive engineering, precision engineering, electric and electronical industry, domestic appliances. FMVSS = Federal Motor Vehicle Safety Standard (USA)&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Weather resistance is good,Good flexibility,Alkali resistant,Hydrolysis stability,Good liquidity,Good Hardness,Solvent resistance,Fuel resistance,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile modulus | 2900 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| yield | 65.0 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| yield | 9.0 | % | ISO 527-2/1A/50 |
| Nominal tensile fracture strain | 25 | % | ISO 527-2/1A/50 |
| Tensile Creep Modulus（1 hr） | 2500 | MPa | ISO 899-1 |
| Tensile creep modulus | |||
| 1000 hr | 1300 | MPa | ISO 899-1 |
| Bending modulus | |||
| 23℃ | 2800 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 6.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 6.5 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 140 | 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 | 106 | ℃ | ISO 75-2/A |
| Melting temperature | 166 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD | 1.1E-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 |
| Dielectric strength | 35 | kV/mm | IEC 60243-1 |
| Relative permittivity | IEC 60250 | ||
| 100 Hz | 4.00 | IEC 60250 | |
| 1 MHz | 4.00 | IEC 60250 | |
| Dissipation factor | IEC 60250 | ||
| 100 Hz | 2.0E-3 | IEC 60250 | |
| 1 MHz | 5.0E-3 | IEC 60250 | |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.50 mm | HB | UL 94 | |
| 3.00 mm | HB | UL 94 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.41 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 12.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.8 | % | ISO 294-4 |
| MD | 2.0 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.65 | % | ISO 62 |
| Density of Melt | 1.200 | g/cm³ | Internal Method |
| Specific Heat Capacity of Melt | 2210 | J/kg/℃ | Internal Method |
| Thermal Conductivity of Melt | 0.16 | W/m/K | Internal Method |
| 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 180 | °C | |
| Barrel middle temperature | 180 to 190 | °C | |
| Barrel front temperature | 190 to 200 | °C | |
| Nozzle temperature | 190 to 210 | °C | |
| Processing (melt) temperature | 190 to 210 | °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 | |
| Ejection temperature | 140 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 30s |
| 3. 10°C/min |
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