TPEE Celanese 7246
TPEE Celanese 7246
TPEE Celanese 7246 is a thermally‑stable thermoplastic polyester elastomer with hardness of 72D. It features aging resistance, chemical corrosion resistance, fatigue resistance, high strength and good toughness.
Main Applications
Automotive Components: Such as seals and pipelines.
Electrical‑Electronic Products: Applied for cable sheaths, MP3 and earphone core wires, electrical‑electronic components.
Industrial Field: Used to produce monofilaments, pipes, sheets and industrial parts.
Other Fields: Also suitable for lighting fixtures, building materials and other products.
Physical Properties
| Test Item | Test Standard | Data | Unit |
|---|---|---|---|
| Physical Properties | |||
| Density / Specific Gravity | ISO 1183 / ASTM D792 | 1.25 | g/cm³ |
| Water Absorption (23°C, 24hr) | ISO 62 / ASTM D570 | 0.30 | % |
| Melt Flow Rate (MFR) | ASTM D1238 (240°C/2.16 kg) | 13 | g/10 min |
| Mechanical Properties | |||
| Tensile Modulus (23°C) | ISO 527 | 525 | MPa |
| Tensile Strength (Break) | ISO 527 | 52.0 | MPa |
| Elongation at Break | ISO 527 | 450‑560 | % |
| Flexural Modulus (23°C) | ISO 178 | 500 | MPa |
| Charpy Notched Impact Strength (-40°C) | ISO 179/1eA | 7.0 | kJ/m² |
| Thermal Properties | |||
| Melting Point | ISO 11357 | 216 | °C |
| Heat‑Distortion Temperature (0.45 MPa) | ASTM D648 | 130 | °C |
| Vicat Softening Point | ASTM D1525 | 134 | °C |
| Brittleness Temperature | ISO 974 | ‑65 | °C |
Processing Properties
| Processing Parameter | Recommended Data | Unit |
|---|---|---|
| Drying Temperature | 110 | °C |
| Drying Time | 2‑3 | h |
| Recommended Moisture Content (Injection Molding) | ＜0.080 | % |
| Melt Temperature (Extrusion) | 235 | °C |
| Melt Temperature (Injection Molding) | 245 | °C |
| Mold Temperature (Injection Molding) | 45‑55 | °C |
Note: All information above is for reference only!
