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Tefzel® 207
| Category: | ETFE , Ethylene Tetrafluoroethylene Copolymer |
| Manufacturer: | DuPont Fluoropolymers |
| Trademark: | Tefzel® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | ndBIcW_Tefzel-207.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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DuPont™ Tefzel 207 fluoropolymer is a special-purpose resin available in translucent, 2.5 mm (0.1 in) pellets. Compared with other grades of Tefzel ®, it has a higher flow rate but still maintains a service temperature of 150°C (302°F). Tefzel ® 207 and the other Tefzel ® fluoropolymers are melt processible, modified copolymers of ethylene and tetrafluoroethylene. They are high-performance resins that can be processed at relatively high rates compared with fluorocarbon resins. They are mechanically tough and offer an excellent balance of properties. The relatively high flow rate of Tefzel ® 207 makes it uniquely suitable for high-speed processing, especially for extruded coatings and injection molding of slender, thin-walled or intricate shapes. Properly processed products made from neat Tefzel ® 207 are inert to most solvents and chemicals, hydrolytically stable, and weather resistant. Recommended upper service temperature is 150°C (302°F); useful properties are retained at cryogenic ranges. The level and stability of dielectric properties are excellent and the flame rating is V-0 by the UL94 method. Mechanical properties include outstanding impact strength, cut-through, and abrasion resistance. Statements, or data, regarding behavior in a flame situation are not intended to reflect hazards presented by this or any other material when under actual fire conditions. Typical End Products Tefzel ® 207 is ideal for many end products, including electrical components such as sleeving, coil forms, sockets, connectors, and switches; lab ware such as tubing, valves, containers, and fasteners; battery or instrument components that require chemical inertness; and mechanical parts. The high melt flow rate of this product makes it ideal for injection molding and thin wall extrusion. |
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| Physical | Nominal Value | Unit | Test Method |
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| Specific Gravity | 1.70 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (297°C/5.0 kg) | 30 | g/10 min | ASTM D3159 |
| Water Absorption (24 hr) | 7.0E-3 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
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| Tensile Strength (23°C) | 40.0 | MPa | ASTM D3159 |
| Tensile Elongation (Break, 23°C) | 300 | % | ASTM D3159 |
| Flexural Modulus (23°C) | 1000 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
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| Notched Izod Impact (23°C) | No Break | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
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| Melting Temperature | 250 - 280 | °C | ASTM D3159 |
| Maximum Service Temperature | 150 | °C | UL 746 |
| Electrical | Nominal Value | Unit | Test Method |
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| Volume Resistivity | 1.0E+17 | ohms·cm | ASTM D257 |
| Dielectric Strength (0.250 mm) | 67 | kV/mm | ASTM D149 |
| Dielectric Constant (23°C, 1 MHz) | 2.60 - 2.80 | ASTM D150 | |
| Dissipation Factor (23°C, 1 MHz) | 9.0E-3 | ASTM D150 |
| Flammability | Nominal Value | Unit | Test Method |
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| Oxygen Index | 30 - 32 | % | ASTM D2863 |
| Additional Information |
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| Weather and Chemical Resistance: Excellent |
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