| About |
|---|
| Tarnoform® 300 EC2 – antistatic and electrically conductive injection moulding grade. Available only in black colour.&& |
| Product Description | |
|---|---|
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Conductive,Antistatic property,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.40 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 2.0 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 1.70 | cm³/10min | ISO 1133 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 5.0 | kJ/m² | ISO 179-1eA |
| Charpy Unnotch Impact strength | 70 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 105 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | 140 | ℃ | ISO 306/B |
| Melting temperature | 167 | ℃ | ISO 11357-3 |
| Limit of Temperature（a few hours operation） | 100 | ℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+6 | ohms | IEC 60093 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 3.20 mm | HB | UL 94 | |
| Burning rate | < 100 | mm/min | FMVSS 302 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| ISO Type | POM-K, M-GRZ, 01-002 | ISO 1874 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Ball hardness | |||
| H358/30 | 130 | MPa | ISO 2039-1 |
| Tensile modulus | 2400 | MPa | ISO 527-1-2 |
| tensile strength | |||
| yield | 50.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| fracture | 20 | % | ISO 527-2/50 |
| Bending modulus | 2200 | MPa | ISO 178 |
| bending strength | 55.0 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | < 0.10 | % | |
| Proposed maximum recycled material ratio | 10 | % | |
| Processing (melt) temperature | 190 to 230 | °C | |
| Mold temperature | 60 to 80 | °C | |
| Injection pressure | 80.0 to 110 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.079 in/min |
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