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透明ABS,PS,PMMA,哪種材料具有更好的透光性!

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透明ABS和PS,透明度約-87%,ABS具有相對較大的霧度。PMMA的透明度為93%。如果是用于制作普通鏡片,則沒有必要使用透明ABS(如Toray的ABS920-555),PS的沖擊強度很差,容易爆裂。如果鏡片要求相對較高,即,需要透明度和抗沖擊性來選擇抗沖擊PMMA,例如Mitsubishi的PMMAVRM40,VRL40等。這種材料用于一般品牌手機的鏡頭。材料的選擇取決于所生產的特定產品,以及要實現的效果。太糟糕了,不能滿足產品的要求,成本增加太多。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/

延伸閱讀—PMMA 美國RTP 1809應用案列
其它 其它 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 1.63 g/cm3
收縮率 流動3.18mm ASTM D955 0.1 %
吸水率 ASTM D570 0.3 %
拉伸模量 ASTM D638 15200 MPa
抗張強度 ASTM D638 138 MPa
伸長率 斷裂 ASTM D638 1.0 %
彎曲模量 ASTM D790 15800 MPa
彎曲強度 ASTM D790 207 MPa
懸臂梁缺口沖擊強度 3.18mm ASTM D256 53 J/m
懸臂梁無缺口沖擊強度 3.18mm ASTM D4812 160 J/m
熱變形溫度 0.45MPa,未退火 ASTM D648 102
熱變形溫度 1.8MPa,未退火 ASTM D648 96.1
體積電阻率 ASTM D257 1.0E+17 ohms*cm
阻燃等級 UL 94 HB
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