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pa66材料的特性-pa66材料有什么優點

相關標簽:美國Delta PA66、英國perrite PA66、美國Jamplast PA66塑料膠粒、良好 PA66、注射成型 PA66、低密度 PA66塑料膠粒

PA66通常是指聚己二酰己二酰胺。俗稱尼龍66。熱塑性樹脂。白色固體。密度是1.14。熔點為253℃。不溶于一般溶劑,僅溶于間甲酚等。機械強度和硬度高,剛性好。可用作工程塑料。拉伸強度6174-8232N/cm2(千克力/cm2)。彎曲強度8575-9604N/cm2(875-980kgf/cm2)。壓縮強度:4958.8-8957.2N/cm2(506-914kgf/cm2)。沖擊強度20.58-42.14N*cm/cm2(2.1-4.3kgf*cm/cm2)。洛氏硬度為108-118。熱變形溫度(1814.11Pa,18.5kgf/cm2)66°C。用作機械附件,例如齒輪,潤滑軸承;代替機殼,汽車發動機葉片等的有色金屬材料。也可用于制造合成纖維。通常,己二酸和六亞甲基二胺在縮聚后用于制備尼龍66鹽。特性:可以通過加熱反復軟化并通過冷卻固化的一大類合成樹脂(包括普通的天然樹脂)。這些樹脂在室溫下是高分子量固體,是線性的或具有少量的支化聚合物,分子之間沒有交聯,并且它們僅通過范德華力或氫鍵相互吸引。在模制過程中,樹脂在壓力和加熱下軟化并流動,沒有化學交聯。它可以在模具中成形并通過冷卻成形以獲得所需形狀的產品。在反復加熱期間,分子結構基本上不改變。當溫度過高而時間過長時,則會發生降解或分解。這些是區別于熱固性樹脂的特性。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/

延伸閱讀—PA66 遼陽化纖 LHD應用案列
其它 其它 其它
汽車部件、運動器材
特點:增韌
參考數據
性能項目 試驗條件[狀態] 測試方法 測試數據
密度 ASTM D-792 1.13 g/cm
彎曲強度 ASTM D-790 85 MPa
彎曲模量 ASTM D-790 2136 MPa
懸臂梁缺口沖擊強度 ASTM D-256 238 J/M
拉伸強度 ASTM D-638 64 MPa
熔點 ASTM D-789 265
阻燃性能 UL 94 HB
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