相關標簽:法國AD majoris POM、臺灣化纖 POM、美國Infinity POM塑化原料、管材 POM、高強度 POM、板材級 POM塑化原料
剖析氣泡的位置,在該位置增加頂桿輔佐排氣也能辦理。,謝謝列位大俠。不知怎樣在該位置增加頂桿輔佐排氣。還有至澆口封合為止,留有必定的增補注射料怎樣調。,對POM制品中的氣泡,普通憑據其發生原因重要有以下革新方法:1)因為制品壁厚較大,外外面冷卻速度比中間部的快,因此伴隨冷卻的舉行,中間部的樹脂邊收縮邊向外面擴大,使中間部發生充填不足。這種環境辦理方法重要有:a)憑據壁厚,肯定合理的澆口,澆道尺寸。b)至澆口封合為止,留有必定的增補注射料。c)注射時段應較澆口封合時段略長。d)下降注射速度,提升注射壓力。e)接納熔融粘度品級高的商標。2)因為揮發性氣體的發生而造成的氣泡。辦理方法重要有:a)充裕舉行預烘干。b)下降樹脂溫度,避免發生剖析氣體,POM的熱剖析溫度大概為235~250℃,這個要留意。3)活動性差造成的氣泡,可經過提升樹脂及模具的溫度、提升注射速度予以辦理。 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/
增韌 管材,板材 擠出 | |
高應力零件,加工素材、板、條、管。 | |
特性:具有優異的加工特性,具有高韌性。 |
性能項目 | 試驗條件[狀態] | 測試方法 | 測試數據 | |
拉伸強度 | 47 | MPa | ||
彎曲模量 | 1450 | MPa | ||
伸長率 | 40 | % | ||
彎曲強度 | 90 | MPa | ||
沖擊強度 | 120 | J/M |
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