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pc材料的特點是什么

相關標簽:美國TPC PC、瑞士英力士 PC、美國RJM PC塑料原料、共擠出成型 PC、Diffusion PC、高ESCR(抗應力開裂)良好 PC塑料原料

pc材料的特點是什么?
具有優異綜合性能的熱塑性塑料具有良好的耐熱性和耐寒性,并在較寬的溫度范圍(-135℃---+120℃)下保持較高的機械強度,良好的尺寸穩定性,并且溫度升高至105℃時呈線性材料的尺寸增加0.07%,具有高的沖擊強度,良好的延展性,具有均勻的成型收縮率和低吸水率。浸入水中24H只會使重量增加0.13%,但是機械加工和注塑成型并不容易。成型是最常用的方法。超級實用!PC,PS聚苯乙烯,PMMA等14種光學塑料的材料特性!密度為1.20kg/m3,自然色為淺黃色,并加入少許淺藍色,得到無色透明產品。Nd=1.,vd=34.0,透射率是88%,PC的機械性能堅韌而無缺口,沒有抗缺口性沖擊強度是熱塑性塑料中最好的,成型收縮率穩定在0.5%-0.7%。在室溫下,PC耐水,稀酸,氧化劑,還原劑,鹽,油和脂族烴。它不耐堿,胺,酮,芳烴。它在許多有機液體中溶脹并導致應力開裂。溶于二氯甲烷,二氯霉素乙烷,甲酚和二惡烷。長時間在水中會引起水解和破裂,從而導致脆化。PC在水中的正常吸濕性為0.15%,溫水中的水為0.35%,沸水中的水為0.58%,并且可以承受60攝氏度的水溫。由于PC的光學常數類似于PS的光學常數,因此它可以與PMMA形成消色差透鏡。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/

延伸閱讀—PC 美國RTP 382 TFE 10 SI 2 HB應用案列
阻燃 電子電器部件 注塑
參考數據
性能項目 試驗條件[狀態] 測試方法 測試數據
比重 ASTM D792 1.30 g/cm3
收縮率 流動3.18mm ASTM D955 0.05-0.2 %
吸水率 ASTM D570 0.10 %
拉伸模量 ASTM D638 10300 MPa
抗張強度 ASTM D638 107 MPa
伸長率 斷裂 ASTM D638 2.0 %
彎曲模量 ASTM D790 8960 MPa
彎曲強度 ASTM D790 165 MPa
懸臂梁缺口沖擊強度 3.18mm ASTM D256 85 J/m
懸臂梁無缺口沖擊強度 3.18mm ASTM D4812 480 J/m
熱變形溫度 0.45MPa,未退火 ASTM D648 149
熱變形溫度 1.8MPa,未退火 ASTM D648 143
體積電阻率 ASTM D257 1.0E+6 ohms*cm
阻燃等級 UL 94 HB
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