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- Unitika UM-8430RG
Unitika UM-8430RG
| Category | Polymer , Thermoplastic , Polyarylate |
| Manufacturer | Unitika |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Unitika UM-8430RG.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Characteristics: High dimensional accuracy (circularity and planarity) Large warping resistance Low linear expansion coefficientInformation provided by Unitika Ltd.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.51 g/cc | 0.0546 lb/in³ | ASTM D792 |
| Linear Mold Shrinkage, Flow | 0.0030 cm/cm @Thickness 3.00 mm |
0.0030 in/in @Thickness 0.118 in |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell R | 116 | 116 | ASTM D785 |
| Tensile Strength at Break | 63.0 MPa | 9140 psi | ASTM D638 |
| Elongation at Break | 16 % | 16 % | ASTM D638 |
| Flexural Strength | 106 MPa | 15400 psi | ASTM D790 |
| Flexural Modulus | 4.30 GPa | 624 ksi | ASTM D790 |
| Izod Impact, Notched | 0.430 J/cm @Thickness 3.17 mm |
0.806 ft-lb/in @Thickness 0.125 in |
ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 23.0 µm/m-°C | 12.8 µin/in-°F | ASTM D696 |
| Deflection Temperature at 1.8 MPa (264 psi) | 100 °C | 212 °F | ASTM D648 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 5.00e+13 ohm-cm | 5.00e+13 ohm-cm | ASTM D257 |
| Dielectric Strength | 17.0 kV/mm | 432 kV/in | ASTM D149 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Rear Barrel Temperature | 230 - 250 °C | 446 - 482 °F | |
| Middle Barrel Temperature | 240 - 260 °C | 464 - 500 °F | |
| Front Barrel Temperature | 250 - 270 °C | 482 - 518 °F | |
| Nozzle Temperature | 250 - 270 °C | 482 - 518 °F | |
| Mold Temperature | 70.0 - 90.0 °C | 158 - 194 °F | actual surface temp |
| Drying Temperature | 100 °C | 212 °F | |
| Dry Time | 10.0 - 24.0 hour | 10.0 - 24.0 hour | |
| Back Pressure | 0.490 - 1.47 MPa | 71.1 - 213 psi | gage pressure |
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