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pfa材料的用途

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除了制成管材外,PFA還具有許多其他用途,作為特殊材料,特別是用于耐寒PFA。實際上,它的應用領域與PTFE相同,但是它可以形成比PTFE更復雜的形狀。除了我們眾所周知的PFA管外,PFA加熱絲也是一個典型的例子。導體由電阻絲制成,這些電阻絲纏繞在管子上,通電后可以加熱。PFA電熱絲更適合加熱較短的管道,長距離的管道由于壓降過大而消耗更多的能量。耐寒PFA也廣泛用于半導體行業,并且已成為制造硅晶片載體,管道及其配件和半導體零件的主要材料之一。隨著高純PFA的發展,PFA在高純半導體管道,制藥工藝和超純水領域的應用也在不斷擴大。盡管PFA在中國的應用時間已經比較長,但由于其價格高,加工要求高和用量有限而不能完全普及。但是,由于PFA保留了PTFE的許多優點,并且具有相同的熱熔流動性和FEP的使用,因此PFA具有比FEP更好的耐熱性和抗應力開裂性,尤其是在高溫下。隨著PFA旋轉模塑技術的發展,其在半導體工業中的應用得到了擴展。在化學領域,PFA作為襯里材料在反應器,蒸餾塔,儲罐和管道配件中也很常見。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/

延伸閱讀—PFA 美國3M 3M™ Dyneon™ Fluoroplastic PFA FLEX8515UHPZ應用案列
參考數據
性能項目 試驗條件[狀態] 測試方法 測試數據
密度 ISO12086 2.15 g/cm3
熔流率(熔體流動速率)(372°C/5.0kg) ISO1133 15 g/10min
肖氏硬度(邵氏D) ASTMD2240,ISO868 60
抗張強度(斷裂,23°C) ASTMD638 35.0 MPa
拉伸應變(斷裂,23°C) ISO527-2 330 %
彎曲模量 ISO178 600 MPa
熔融溫度 ISO12086 290 °C
極限氧指數 ASTMD2863 >95 %
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