| About |
|---|
| TPX™ RT31 TPX™ is a 4-methylpentene-1-based olefin copolymer. TPX™ has a unique molecular structure. Although TPX™ is a crystalline olefin polymer, it shows transparency. Because of its excellent heat-resistance, release property and chemical resistance, TPX™ is used for industrial materials, including mandrels and sheaths in the manufacture of high-pressure rubber hose, mold cups to create LED light and other applications such as release film on FPC manufacturing process and release paper in the manufacture of synthetic leather. Furthermore, TPX™ possesses a lowest density among thermoplastic polymers and then provides the molded articles with lower weight. This leads to reduce the environmental load for transportation. It is also noted that TPX™ is a halogen-free polymer denoted as environmentally-friendly material. TPX™ is also used for food-related applications such as food wraps, food preservation packs, baking carton and microwave oven tableware&&TPX™ RT31 TPX™ RT31 is a Polymethylpentene Copolymer (PMP Copolymer) material. It is available in North America for extrusion, fiber (spinning) extrusion, injection molding, pipe extrusion, or profile extrusion. Important attributes of TPX™ RT31 are: High Stiffness Low to No Odor/Taste&& |
| Product Description | |
|---|---|
| Supplier | Mitsui |
| Generic | Poly 4-methylpentene-1 copolymer |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Low odor |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.833 | g/cm³ | Internal Method |
| Melt Flow Rate | |||
| 260℃，5.0kg | 21 | g/10min | Internal Method |
| Spiral flow length | 51.0 | cm | Internal Method |
| Shrinkage rate | Internal Method | ||
| MD: 2.0 mm, injection molded | 1.6 | % | Internal Method |
| TD: 2.0 mm, injection molding | 1.3 | % | Internal Method |
| Water absorption rate | |||
| balance | < 0.010 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23 ℃, injection molding | 24 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 23℃ | 10.0 | kJ/m² | ASTM D4812 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed, 6.35 mm, injection molded | 127 | ℃ | ASTM D648 |
| Vicat Softening Temp | 168 | ℃ | ASTM D1525 8 |
| Melting peak temperature | 232 | ℃ | ASTM D3418 |
| Linear coefficient of thermal expansion | |||
| MD：-10~160℃ | 1.2E-4 | 1/℃ | Internal Method |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 2 mm | > 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 2 mm, injection molding | 32 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 2.00 mm，1 MHz | 2.11 | ASTM D150 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.462 | ASTM D542 | |
| Transmittance | |||
| injection molding | 94.0 | % | ASTM D1003 |
| Haze | |||
| Injection molded film | 0.70 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-grade, 23 ℃, injection molding | 83 | ASTM D785 | |
| Tensile modulus | |||
| 23 ℃, injection molding | 1900 | MPa | ASTM D638 |
| tensile strength | ASTM D638 | ||
| Yield, 23 ℃, injection molding | 30.0 | MPa | ASTM D638 |
| Fracture, 23 ℃, injection molding | 25.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃, injection molding | 22 | % | ASTM D638 |
| Bending modulus | |||
| 23 ℃, 3.20 mm, injection molding, 51 mm span | 1450 | MPa | ASTM D790 |
| bending strength | |||
| 23 ℃, 3.20 mm, injection molding, 51 mm span | 36.0 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Barrel rear temperature | 270 | °C | |
| Barrel middle temperature | 280 | °C | |
| Barrel front temperature | 300 | °C | |
| Nozzle temperature | 290 | °C | |
| Mold temperature | 20 to 60 | °C | |
| Injection pressure | 30.0 to 40.0 | MPa | |
| Hold pressure | 30.0 | MPa | |
| Barrel 1 zone temperature | 280 | °C | |
| Barrel 2 zone temperature | 290 | °C | |
| Barrel 3 zone temperature | 290 | °C | |
| Barrel 4 zone temperature | 290 | °C | |
| Connector temperature | 290 | °C | |
| Nozzle temperature | 290 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Mold Temperature: 163°F, Melt Temperature: 590°F |
| 3. Mold Temperature: 163°F, Melt Temperature: 590 to 608°F |
| 4. 260 to 280°C |
| 5. Type IV, 2.0 in/min |
| 6. Chuck Distance: 65mm |
| 7. 0.051 in/min |
| 8. 120°C/hr |
| 9. Heat Speed: 120°C/hour |
| 10. Rate A (50°C/h), Loading 1 (10 N) |
| 11. TMA Method, Applied Force: 3g, Nitrogen Flow: 100mL/min |
| 12. Injection Molded |
| 13. Injection Molded, 2 mm, 589 nm wavelength |
| 14. Wave Length: 589nm |
| 15. C Illuminant |
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