About |
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DuPont™ Tefzel ® fluoropolymer resins offer mechanical strength and toughness along with resistance to heat and chemicals. In addition, they provide easy processing, high specific dielectric strength, and a low coefficient of friction. For these reasons, Tefzel ® resins are widely used to make compact wire and cable constructions that provide long, reliable service in demanding environments. Tefzel ® 750 retains the traditional characteristics of Tefzel ® resins while providing some new property advantages, including increased flexibility and improved retention of properties after aging at elevated temperatures, higher limiting oxygen index, and long-term service life at higher temperatures than other Tefzel ® resins. Underwriters Laboratories, Inc. (UL) has rated wire insulated with Tefzel ® 750 (10 mil for 600V, 6 mil for 300V) for service in appliances at a maximum continuous operating temperature of 200°C (392°F). This rating was determined under the guidelines of UL Subject 758 for appliance wiring material. Upper service temperatures for other applications should be determined under the guidelines for those applications. Temperature ratings may not be the same as the rating for appliance wire because the test procedures are different.&& |
Product Description | |
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Supplier | Chemours |
Generic | ETFE |
Material Status | Commercial: Active |
Features | Excellent Processability,Good flexibility,Low coefficient of friction,High Heat Resistance,Copolymer,Solvent resistance |
Availabilitys | North America,Latin America,Asia Pacific,Europe |
Process Methods | Extrusion |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.75 to 1.79 | g/cm³ | ASTM D792 |
Melt Flow Rate | |||
297℃,5.0kg | 7.0 | g/10min | ASTM D3159 |
MECHANICAL | Nominal value | Unit | Test method |
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tensile strength | ASTM D1708 | ||
23℃ | 37.9 | MPa | ASTM D1708 |
140℃ | 11.4 | MPa | ASTM D1708 |
160℃ | 8.62 | MPa | ASTM D1708 |
180℃ | 6.21 | MPa | ASTM D1708 |
200℃ | 3.45 | MPa | ASTM D1708 |
Tensile strain | ASTM D1708 | ||
Fracture, 23 ℃ | 300 | % | ASTM D1708 |
Fracture, 140 ℃ | 600 | % | ASTM D1708 |
Fracture, 160 ℃ | 650 | % | ASTM D1708 |
Fracture, 180 ℃ | 600 | % | ASTM D1708 |
Fracture, 200 ℃ | 600 | % | ASTM D1708 |
Bending modulus | 645 | MPa | ASTM D790 |
THERMAL | Nominal value | Unit | Test method |
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Melting temperature | 219 to 254 | ℃ | ASTM D3159 |
FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
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Extreme oxygen index | 34 | % | ASTM D2863 |
Process Conditions | |||
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Extrusion | Nominal value | Unit | Test method |
Barrel 1 zone temperature | 288 | °C | |
Barrel 2 zone temperature | 316 | °C | |
Barrel 3 zone temperature | 321 | °C | |
Connector temperature | 321 | °C | |
Melt temperature | 332 to 335 | °C | |
Nozzle temperature | 332 | °C |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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