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認識聚丙烯(PP)雙壁波紋管

來源: 時間:2020-01-06 13:52:51 瀏覽次數:

快速的城市化和工業化進展,增加了污水對環境的威脅;

快速的城市化和工業化進展,增加了污水對環境的威脅;固體廢物污染、垃圾掩埋、工業廢水、下水道泄露都可能污染地下水,相關的清理工作需要付出很長的時間和昂貴的費用。傳統使用的地下排水管主要有混凝土、陶土和塑料(PE、PVC)等管道,但傳統的硬質管道存在易碎的問題,在裝卸、地質運動和腐蝕后易破損而失效,致更多的資源的耗費;PVC、PE塑料管道由于材料特性,在口徑和環剛度上又存在很大局限性。如何解決和完善地下排水系統面臨的問題,聚丙烯排水管道給出了全新的解決方案。

本文主要是圍繞聚丙烯(PP雙壁波紋管的市場發展與應用及生產情況進行介紹,并結合國內廠家的試驗數據與聚乙烯(PE)雙壁波紋管進行對比。

一、聚丙烯(PP)雙壁波紋管產品簡介

1.1 產品結構及常見規格

PP雙壁波紋管結構與常見PE雙壁波紋管一致,是以改性聚丙烯為原料,分別由內、外擠出機共同擠出,一次成型,內壁平滑,外壁呈正弦波紋狀,內外壁為中空且緊密熔接的環狀結構的管材。

產品規格:國外口徑大可達到DN1800mm,目前國內生產大可達DN1200mm,但基本都在DN200mm-800mm之間。

產品系列:有數據顯示PP雙壁波紋管環剛度可達SN14,國內有SN4、SN8、SN10、SN12.5四個系列。


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