| About |
|---|
| Kepital® FG2025 A 25% glass fiber-reinforced grade for general injection molding Suitable for parts requiring extremely high strength, high stiffness, high deflection temperature, and excellent creep resistance&&Kepital® FG2025 25% glass fiber filled medium viscosity grade good for general injection molding. FG2025 is good for parts requiring very high stiffness, strength, creep resistance, and HDT.&& |
| Product Description | |
|---|---|
| Supplier | Korea Engineering |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good flexibility,Copolymer,HB |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.59 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 7.0 | g/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：3.0 mm | 0.50 | % | Internal Method |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 9000 | MPa | ISO 527-2 |
| tensile strength | 160 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 3.0 | % | ISO 527-2 |
| Bending modulus | 8250 | MPa | ISO 178 |
| bending strength | 220 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 8.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 8.0 | kJ/m² | ISO 179/1eA |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 162 | ℃ | ISO 75-2/A |
| Melting temperature | 165 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD | 3.0E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+14 | ohms·cm | IEC 60093 |
| Dielectric strength | 23 | kV/mm | IEC 60243-1 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 100 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.10 | % | |
| Hopper temperature | 60 to 80 | °C | |
| Barrel rear temperature | 170 to 180 | °C | |
| Barrel middle temperature | 180 to 190 | °C | |
| Barrel front temperature | 190 to 200 | °C | |
| Nozzle temperature | 180 to 210 | °C | |
| Mold temperature | 60 to 80 | °C | |
| Back pressure | < 2.00 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 100mm diameter |
| 3. 10°C/min |
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