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Teflon® PFA 340
| Категория | PFA, Perfluoroalkoxy |
| Производитель | DuPont Fluoropolymers |
| Торговая марка | Teflon® PFA |
| Порт | Китай Шанхайский порт |
| Торговые условия | FOB, CFR, CIF |
| Платежное средство | L/C, T/T, Western Union |
tgDq1q_Teflon-PFA-340.pdf  |
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| Контактная информация |  Служба поддержки клиентов Вичат |
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Описание материалов:
For inventory control purposes product name may be followed by an X.
Products labeled PFA 340 and PFA 340 X are equivalent and all information in this document is applicable to both.
Typical Application
Applications for DuPont™ Teflon ® PFA 340 include extruded tubing and other profiles for hose, wire and cable insulation, and sleeving; industrial film; and injection or compression molded articles requiring superior electrical, chemical, and thermal properties.
DuPont™ Teflon ® PFA 340 is a general-purpose fluoroplastic resin available in pellet form. Compared with other grades of Teflon ® PFA, its most unique features are a relatively high melt flow rate (typical MFR of 14) and properties that make it suitable for a variety of processes and demanding end uses. Table 1 shows the typical property data for Teflon ® PFA 340.
Teflon ® PFA 340 is used when traditional extrusion and molding processes are required for producing products with the superior properties of a fluoroplastic resin. Compared to other thermoplastics, the high melt strength and thermal stability of Teflon ® PFA 340 can be used to improve processing rates. Compared with other fluoroplastics, creep resistance at high service temperatures provides a superior balance and level of end-use properties. Teflon ® PFA 340 combines the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene.
Properly processed products made from neat Teflon ® PFA 340 resin provide the superior properties characteristic of fluoroplastic resins: chemical inertness, exceptional dielectric properties, heat resistance, toughness and flexibility, low coefficient of friction, non-stick characteristics, negligible moisture absorption, low flammability, performance at temperature extremes, and excellent weather resistance.
In a flame situation, products of Teflon ® PFA 340 resist ignition and do not promote flame spread. When ignited by flame from other sources, their contribution of heat is very small and added at a slow rate with very little smoke.
Teflon ® PFA 340 meets the requirements of ASTM D3307, Type I
Products labeled PFA 340 and PFA 340 X are equivalent and all information in this document is applicable to both.
Typical Application
Applications for DuPont™ Teflon ® PFA 340 include extruded tubing and other profiles for hose, wire and cable insulation, and sleeving; industrial film; and injection or compression molded articles requiring superior electrical, chemical, and thermal properties.
DuPont™ Teflon ® PFA 340 is a general-purpose fluoroplastic resin available in pellet form. Compared with other grades of Teflon ® PFA, its most unique features are a relatively high melt flow rate (typical MFR of 14) and properties that make it suitable for a variety of processes and demanding end uses. Table 1 shows the typical property data for Teflon ® PFA 340.
Teflon ® PFA 340 is used when traditional extrusion and molding processes are required for producing products with the superior properties of a fluoroplastic resin. Compared to other thermoplastics, the high melt strength and thermal stability of Teflon ® PFA 340 can be used to improve processing rates. Compared with other fluoroplastics, creep resistance at high service temperatures provides a superior balance and level of end-use properties. Teflon ® PFA 340 combines the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene.
Properly processed products made from neat Teflon ® PFA 340 resin provide the superior properties characteristic of fluoroplastic resins: chemical inertness, exceptional dielectric properties, heat resistance, toughness and flexibility, low coefficient of friction, non-stick characteristics, negligible moisture absorption, low flammability, performance at temperature extremes, and excellent weather resistance.
In a flame situation, products of Teflon ® PFA 340 resist ignition and do not promote flame spread. When ignited by flame from other sources, their contribution of heat is very small and added at a slow rate with very little smoke.
Teflon ® PFA 340 meets the requirements of ASTM D3307, Type I
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| Характеристики |
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| Физический | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Удельный вес | 2.15 | g/cm³ | ASTM D792 |
| Массовый расход расплава (MFR) (372°C/5.0 kg) | 14 | g/10 min | ASTM D3307, ISO 12086 |
| Поглощение воды (24 hr) | < 0.030 | % | ASTM D570 |
| Твердость | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Твердость дюрометра (Shore D) | 55 | ASTM D2240, ISO 868 |
| Механические | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Прочность на растяжение | ASTM D3307, ISO 12086 | ||
| 23°C | 25.0 | MPa | ASTM D3307, ISO 12086 |
| 250°C | 12.0 | MPa | ASTM D3307, ISO 12086 |
| Удлинение при растяжении | ASTM D3307, ISO 12086 | ||
| Fracture, 23°C | 300 | % | ASTM D3307, ISO 12086 |
| Fracture, 250°C | 480 | % | ASTM D3307, ISO 12086 |
| Флекторный модуль | ASTM D790, ISO 178 | ||
| 23°C | 590 | MPa | ASTM D790, ISO 178 |
| 250°C | 55.0 | MPa | ASTM D790, ISO 178 |
| Тепловой | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Температура плавления | 305 | °C | ASTM D4591 |
| Электрический | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Сопротивление громкости | 1.0E+18 | ohms·cm | ASTM D257, ISO 1325 |
| Диэлектрическая прочность | |||
| 0.250 mm 1 | 80 | kV/mm | ASTM D149 |
| 0.250 mm | 80 | kV/mm | IEC 60243-1 |
| Диэлектрическая постоянная (1 MHz) | 2.03 | ASTM D150, IEC 60250 | |
| Коэффициент рассеивания (1 MHz) | < 2.0E-4 | ASTM D150, IEC 60250 |
| Воспламеняемость | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Огнестойкость 2 | V-0 | UL 94 | |
| Индекс кислорода | > 95 | % | ASTM D2863, ISO 4589-2 |
| Дополнительная информация | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Критическая скорость сдвига (372°C) | 50.0 | sec^-1 | |
| Мит складной выносливость 3(200.0 µm) | 1.5E+4 | Cycles | ASTM D2176 |
| Weather and Chemical Resistance: Outstanding |
| Примечание | |
|---|---|
| 1 . | Method A (short time) |
| 2 . | These results are based on laboratory tests under controlled conditions and do not reflect performance under actual fire conditions, current rating is a typical theoretical value. |
| 3 . | Depending on fabrication conditions |
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