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- Techmer ES Electrafil® PS-31/EC BK Polystyrene, Electrically Conductive Carbon Black
Techmer ES Electrafil® PS-31/EC BK Polystyrene, Electrically Conductive Carbon Black
| Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Carbon Black Filled |
| Manufacturer | Techmer ES |
| Trade Name | Electrafil® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Techmer ES Electrafil® PS-31/EC BK Polystyrene, Electrically Conductive Carbon Black.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.07 g/cc | 0.0387 lb/in³ | ASTM D792 |
| Linear Mold Shrinkage | 0.0050 cm/cm @Thickness 3.17 mm |
0.0050 in/in @Thickness 0.125 in |
ASTM D955 |
| Melt Flow | 7.0 g/10 min @Load 5.00 kg, Temperature 200 °C |
7.0 g/10 min @Load 11.0 lb, Temperature 392 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Ultimate | 24.1 MPa | 3500 psi | ASTM D638 |
| Elongation at Break | 15 % | 15 % | ASTM D638 |
| Flexural Strength | 29.0 MPa | 4200 psi | ASTM D790 |
| Flexural Modulus | 1.72 GPa | 250 ksi | ASTM D790 |
| Izod Impact, Notched | 2.67 J/cm @Thickness 3.17 mm |
5.00 ft-lb/in @Thickness 0.125 in |
ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Deflection Temperature at 1.8 MPa (264 psi) | 71.1 °C | 160 °F | ASTM D648 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Surface Resistance | 1000 - 10000 ohm | 1000 - 10000 ohm | ASTM D4496 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Rear Barrel Temperature | 221 - 232 °C | 430 - 450 °F | |
| Middle Barrel Temperature | 227 - 243 °C | 440 - 470 °F | |
| Front Barrel Temperature | 221 - 238 °C | 430 - 460 °F | |
| Nozzle Temperature | 216 - 232 °C | 420 - 450 °F | |
| Melt Temperature | 232 - 243 °C | 450 - 470 °F | |
| Mold Temperature | 48.9 - 65.6 °C | 120 - 150 °F | Use well vented mold |
| Drying Temperature | 71.1 °C | 160 °F | ASTM D648 |
| Dry Time | 2 - 4 hour | 2 - 4 hour | |
| Moisture Content | <= 0.020 % | <= 0.020 % | |
| Back Pressure | 0.172 - 0.345 MPa | 25.0 - 50.0 psi | Medium Injection Speed |
| Screw Speed | 60 - 100 rpm | 60 - 100 rpm |
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