| About |
|---|
| TPX™ RT31XB 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™ RT31XB TPX™ RT31XB 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™ RT31XB 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 | 0.83 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 1.5 | % | ASTM D995 |
| TD | 1.2 | % | ASTM D995 |
| Water absorption rate | |||
| 23℃，24hr | 0.01 | % | ASTM D570 |
| Melt Flow Rate | |||
| 260℃，5.0kg | 21 | g/10min | ASTM D1238 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.46 | ASTM D542 | |
| Haze μ M | 0.80 | % | ASTM D1003 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 127 | ℃ | ASTM D648 |
| Melting temperature | 233 | ℃ | ASTM D4591 |
| Vicat Softening Temp | |||
| 174 | ℃ | ASTM D1525 | |
| Linear coefficient of thermal expansion | |||
| MD | 1.2E-4 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volumetric resistance | 1.0E+16 | Ω.cm | ASTM D257 |
| Insulation strength | |||
| 65 | KV/mm | ASTM D149 | |
| Dielectric constant | |||
| 23℃ | 2.10 | 1 MHz | ASTM D150 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 20 | J/m | ASTM D256 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | 87 | R 级 | ASTM D785 |
| tensile strength | |||
| 23℃ | 25.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 12 | % | ASTM D638 |
| Tensile modulus | |||
| 23℃ | 1900 | MPa | ASTM D638 |
| bending strength | |||
| 23℃ | 44.0 | MPa | ASTM D790 |
| Bending modulus | |||
| 23℃ | 1600 | MPa | ASTM D790 |
| 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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