| About |
|---|
| DURACON® GH-20 is an Acetal (POM) Copolymer product filled with 20% glass fiber. It can be processed by injection molding and is available in Africa & Middle East, Asia Pacific, Europe, Latin America, or North America. Characteristics include: Flame Rated High Strength Rigid&& |
| Product Description | |
|---|---|
| Supplier | Polyplastics |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Good Rigidity,HB |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.54 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 3.0 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 2.30 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD：2.0 mm | 1.0 | % | ISO 294-4 |
| MD：2.0 mm | 0.80 | % | ISO 294-4 |
| Water absorption rate | |||
| 23℃，24hr | 0.70 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 5.2 | kJ/m² | ISO 179/1eA |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 158 | ℃ | ISO 75-2/A |
| Linear coefficient of thermal expansion | |||
| TD：23~55℃ | 1.0E-4 | 1/℃ | Internal Method |
| MD：23~55℃ | 3.0E-5 | 1/℃ | Internal Method |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Color Number | CF3500 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 7000 | MPa | ISO 527-2 |
| tensile strength | 100 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 2.0 | % | ISO 527-2 |
| Bending modulus | 6000 | MPa | ISO 178 |
| bending strength | 135 | MPa | ISO 178 |
| friction coefficient | JIS K7218 | ||
| dynamic | 0.42 | JIS K7218 | |
| Steel – Dynamic | 0.55 | JIS K7218 | |
| Wear factor | JIS K7218 | ||
| 0.49 MPa，0.30 m/sec | 200 | 10^-8 mm³/N·m | JIS K7218 |
| 0.060 MPa，0.15 m/sec | 300 | 10^-8 mm³/N·m | JIS K7218 |
| 0.49 MPa，0.30 m/sec | 7000 | 10^-8 mm³/N·m | JIS K7218 |
| 0.060 MPa，0.15 m/sec | 10000 | 10^-8 mm³/N·m | JIS K7218 |
| Rockwell hardness | |||
| M-level | 85 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 90 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Processing (melt) temperature | 190 to 210 | °C | |
| Mold temperature | 60 to 80 | °C | |
| Injection pressure | 50.0 to 100 | MPa | |
| Screw speed | 100 to 150 | rpm | |
| Injection Velocity | 5 to 50 | mm/sec | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. vs M90-44, 0.06 MPa, 15 cm/s |
| 3. 0.49 MPa, 30 cm/s |
| 4. vs C-Steel, Steel Side |
| 5. vs M90-44, Material Side |
| 6. vs C-Steel, Material Side |
| 7. vs M90-44, M90-44 Side |
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