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             PBT  325  美國通用電氣公司 物性數(shù)據(jù) 
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             ①原料描述部分 
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             規(guī)格級(jí)別: 
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             通用級(jí) 
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             外觀顏色: 
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             --- 
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             用途概述: 
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             用于噴灑器及噴嘴等 
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             備注說明: 
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             特性:未增強(qiáng)型,改良的流動(dòng)性 
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             ②原料技術(shù)數(shù)據(jù) 
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             性能項(xiàng)目 
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             試驗(yàn)條件[狀態(tài)] 
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             測試方法 
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             測試數(shù)據(jù) 
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             數(shù)據(jù)單位 
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             物理性能 
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             比重 
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             --- 
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             --- 
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             1.31 
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             吸水率 
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             --- 
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             --- 
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             0.08 
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             % 
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             模具收縮率 
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             --- 
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             --- 
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             15-23 
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             E-3 
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             增強(qiáng) 
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             --- 
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             --- 
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             0 
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             % 
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             機(jī)械性能 
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             拉伸強(qiáng)度(屈伏點(diǎn)) 
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             --- 
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             --- 
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             52 
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             MPa 
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             拉伸率(斷裂點(diǎn)) 
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             --- 
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             --- 
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             200 
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             % 
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             彎曲強(qiáng)度 
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             --- 
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             --- 
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             83 
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             MPa 
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             彎曲模量 
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             --- 
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             --- 
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             2343 
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             MPa 
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             沖擊強(qiáng)度缺口 
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             23℃ 
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             --- 
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             53 
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             J/m 
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             硬擴(kuò)度洛氏R 
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             --- 
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             --- 
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             117 
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             --- 
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             電氣性能 
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             損耗因數(shù) 
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             --- 
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             --- 
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             0.02 
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             --- 
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             介電常數(shù) 
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             --- 
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             3.1 
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             --- 
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             體積電阻 
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             --- 
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             --- 
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             4.00E+16 
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             Ohm-cm 
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             熱 性 能 
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             熱變形溫度 
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             --- 
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             --- 
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             154 
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             ℃ 
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             熱變形溫度 
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             --- 
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             --- 
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             54 
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             ℃ 
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             線膨脹系數(shù) 
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             --- 
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             --- 
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             8.1E-05 
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             1/℃ 
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             --- 
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             --- 
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             阻燃性 
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             --- 
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             --- 
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             HB 
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             --- 
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             阻燃性 
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             --- 
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             --- 
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             0.8 
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             mm 
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