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- Goodfellow TPX® DX845 Extrusion Grade Polymethylpentene
Goodfellow TPX® DX845 Extrusion Grade Polymethylpentene
| Category | Polymer , Thermoplastic , Polymethylpentene (PMP) , Polymethylpentene, Molded |
| Manufacturer | Goodfellow |
| Trade Name | TPX® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Goodfellow TPX® DX845 Extrusion Grade Polymethylpentene.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
This grade is highly recommended for film extrusion; also for injection molding, fiber extrusion and blow molding.TPX® is semi-crystalline, transparent, very light and - for a polyolefin - expensive. It has good release characteristics and good high frequency electrical and valuable acoustic/ultrasonic properties. Applications include medical and laboratory apparatus, microwave components and cookware and electronic components.Information provided by Goodfellow. TPX® is a trademark of Mitsui.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 0.833 g/cc | 0.0301 lb/in³ | ASTM D1505 |
| Water Absorption | <= 0.010 % | <= 0.010 % | ASTM D570 |
| Linear Mold Shrinkage, Flow | 0.015 cm/cm | 0.015 in/in | MCI Method 2 |
| Linear Mold Shrinkage, Transverse | 0.012 cm/cm | 0.012 in/in | MCI Method 2 |
| Melt Flow | 9.0 g/10 min @Load 5.00 kg, Temperature 260 °C |
9.0 g/10 min @Load 11.0 lb, Temperature 500 °F |
ASTM D1238 |
| Spiral Flow | 50.0 cm | 19.7 in | MCI Method 1 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell R | 87 | 87 | ASTM D785 |
| Tensile Strength | 25.0 MPa | 3630 psi | ASTM D638 |
| Tensile Strength, Yield | 30.0 MPa | 4350 psi | ASTM D638 |
| Elongation at Break | 12 % | 12 % | ASTM D638 |
| Tensile Modulus | 1.90 GPa | 276 ksi | ASTM D638 |
| Flexural Strength | 47.0 MPa | 6820 psi | ASTM D790 |
| Flexural Modulus | 1.60 GPa | 232 ksi | ASTM D790 |
| Izod Impact, Notched | 0.200 J/cm | 0.375 ft-lb/in | ASTM D256 |
| Izod Impact, Unnotched (ISO) | 10.0 kJ/m² | 4.76 ft-lb/in² |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 117 µm/m-°C | 65.0 µin/in-°F | ASTM E831 |
| Melting Point | 233 °C | 451 °F | DSC Peak; JIS K7121 |
| Deflection Temperature at 0.46 MPa (66 psi) | 127 °C | 261 °F | ASTM D648 |
| Vicat Softening Point | 174 °C | 345 °F | ASTM D1525 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.46 | 1.46 | ASTM D542 |
| Haze | 1.1 % | 1.1 % | ASTM D1003 |
| Transmission, Visible | 94 % | 94 % | ASTM D1003 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+16 ohm-cm | >= 1.00e+16 ohm-cm | ASTM D257 |
| Dielectric Constant | 2.1 | 2.1 | ASTM D150 |
| Dielectric Strength | 65.0 kV/mm | 1650 kV/in | ASTM D149 |
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