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TPU塑料縮水率|TPU塑料縮水率對制品影響有哪些

相關標簽:美國陶氏 TPU、臺灣定欣 TPU、韓國可隆 TPU塑膠原材料、專用粒料 TPU、絕緣 TPU、吹塑薄膜 TPU塑膠原材料

TPU材料是一種熱彈體材料,現在越來越多的被人們用來生產各種產品,還能替代大部分的PVC材料,那么在注塑加工成型過程中,TPU的縮水率影響怎么樣呢?下面小編就跟大家一起來分享一下。
首先,TPU材料吸水性還是比較大的,這樣就導致注塑過程中如果含水量較多那么縮水率就很比較大,通常TPU材料的縮水率在1.3%到1.5%之間,隨著TPU硬度的增加而減少。通常TPU材料在出廠時候含水率很低,但是如果TPU存儲環境較潮濕會導致TPU吸水含水量就會增加,這個時候如果不干燥直接拿這種含水量高的TPU材料注塑加工產品會導致產品氣泡、產生各種花紋嚴重甚至會導致制品的各項性能指標下降嚴重,所以TPU材料在加工之前需要烘干處理,溫度控制在80-100度之間,保持2個小時即可烘干。
塑膠在線一站式原料供應,為您解答TPU塑料縮水率等各種TPU相關問題,提供更好的服務,更優惠的價格,更多TPU型號最新價格信息請來電獲取 。以上文獻若需轉載請備注出處:PBT樹脂 //shanglikaiguan.cn/

延伸閱讀—TPU 諾譽化工 58091應用案列
其它 其它 其它
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 D-792 1.15
肖氏硬度 ASTM D-2240 70D
壓縮調整 ASTM D-395 75 %
伸長率 ASTM D-412(ASTM D-638) 160 %
拉伸強度 ASTM D-412(ASTM D-638) 4200 Psi
彎曲模量 ASTM D-790 64000 Psi
維卡軟化點 ASTM D-1525 212
Taber ASTM D-3389B 2.0
Tg 12
,
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