| Category | Polymer , Thermoplastic , Polymethylpentene (PMP) |
| Manufacturer | Mitsui Chemicals America |
| Trade Name | TPX® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Mitsui TPX® DX820 Methylpentene Copolymer.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 0.833 g/cc | 0.0301 lb/in³ | ASTM D1505 |
| Water Absorption | 0.010 % | 0.010 % | 24 hours; ASTM D570 |
| Melt Flow | 180 g/10 min @Load 5.00 kg, Temperature 260 °C |
180 g/10 min @Load 11.0 lb, Temperature 500 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell R | 80 | 80 | ASTM D785 |
| Tensile Strength at Break | 17.2 MPa | 2490 psi | 5mm/min; ASTM D638 |
| Tensile Strength, Yield | 22.6 MPa | 3280 psi | 5mm/min; ASTM D638 |
| Elongation at Break | 20 % | 20 % | MPC method, 5mm/min |
| Modulus of Elasticity | 1.28 GPa | 186 ksi | Tangent; ASTM D790 |
| Flexural Strength | 35.3 MPa | 5120 psi | 2mm/min; ASTM D790 |
| Flexural Stiffness | 896 MPa | 130000 psi | Olsen Stiffness; ASTM D747 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 117 µm/m-°C @Temperature 20.0 °C |
65.0 µin/in-°F @Temperature 68.0 °F |
ASTM D696 |
| Specific Heat Capacity | 1.97 J/g-°C | 0.471 BTU/lb-°F | ASTM C351 |
| Thermal Conductivity | 0.167 W/m-K | 1.16 BTU-in/hr-ft²-°F | BS 874A |
| Melting Point | 240 °C | 464 °F | MPC Method |
| Vicat Softening Point | 173 °C | 343 °F | ASTM D1525 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Transmission, Visible | 80 % | 80 % | Mfr. indicates clear but does not quantify |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+16 ohm-cm | >= 1.00e+16 ohm-cm | ASTM D257 |
| Dielectric Constant | 2.12 @Frequency 100 - 1.00e+6 Hz |
2.12 @Frequency 100 - 1.00e+6 Hz |
ASTM D150 |
| Dielectric Strength | 65.0 kV/mm | 1650 kV/in | ASTM D149 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Appearance | Colorless transparent | |
| Rate of Burning | 2.54 cm/min | ASTM D635 |