TPEE DuPont 6356
TPEE DuPont 6356
TPEE DuPont 6356 is a reliable high‑hardness (63D) high‑performance thermoplastic polyester elastomer. With balanced mechanical properties, excellent creep resistance, outstanding chemical resistance and good processing adaptability, it is widely used in automotive, wire‑and‑cable, industrial‑component and other fields.
Main Applications
Industrial components such as hoses & oil tubes, cable sheaths, seals, gears, profiles and films.
Physical Properties
| Property Category | Test Item | Test Standard | Data / Range | Unit |
|---|---|---|---|---|
| Physical Properties | Density / Specific Gravity | ISO 1183 | 1.22 | g/cm³ |
| Melt Flow Rate (MFR) | ISO 1133 (230°C/2.16 kg) | 8.5‑9.0 | g/10 min | |
| Water Absorption (23°C, 24hr) | ISO 62 | 0.50‑0.60 | % | |
| Molding Shrinkage (Flow / Transverse) | ISO 294‑4 | 1.5 | % | |
| Shore D Hardness | ISO 868 | 63 | — | |
| Shore D Hardness (15s) | ISO 868 | 57‑58 | — | |
| Mechanical Properties | Tensile Strength at Break | ISO 527‑2 | 41.0‑46.0 | MPa |
| Elongation at Break | ISO 527‑2 | 490‑540 | % | |
| Tensile Modulus (23°C) | ISO 527‑2 | 280 | MPa | |
| Flexural Modulus (23°C) | ISO 178 | 290‑296 | MPa | |
| Tear Strength | ISO 34‑1 | 150‑160 | kN/m | |
| Charpy Notched Impact Strength (23°C) | ISO 179/1eA | 120 | kJ/m² | |
| Abrasion Loss | ISO 4649 | 110‑120 | mm³ | |
| Thermal Properties | Melting Point | ISO 11357‑3 / ASTM D3418 | 210‑211 | °C |
| HDT (1.8 MPa) | ISO 75‑2/A | 45 | °C | |
| HDT (0.45 MPa) | ISO 75‑2/B | 80‑85 | °C | |
| Vicat Softening Temperature | ISO 306/A50 | 195 | °C | |
| Brittleness Temperature | ISO 974 | ＜‑100 | °C | |
| Electrical Properties | Volume Resistivity | IEC 60093 | 8.0E+13 | Ω·cm |
| Dielectric Strength | IEC 60243‑1 | 20 | kV/mm |
Processing Technology
| Process Parameter | Recommended Value / Range | Unit | Remarks |
|---|---|---|---|
| Pre‑drying | |||
| Temperature | 80‑100 | °C | |
| Time | 2‑4 | h | |
| Injection Molding | |||
| Rear Barrel Temperature | 180‑210 | °C | |
| Middle Barrel Temperature | 180‑210 | °C | |
| Front Barrel / Nozzle Temperature | 180‑210 | °C | |
| Melt Temperature | 220‑240 | °C | |
| Mold Temperature | 20‑60 (45‑55 recommended) | °C | |
| Extrusion Molding | |||
| Drying Time | 3 | h | |
| Zone 1 Temperature | 140‑160 | °C | |
| Zone 3 Temperature | 160‑180 | °C | |
| Zone 5 Temperature | 180‑200 | °C | |
| Die Temperature | 180‑200 | °C |
Note: All information above is for reference only!
