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熱門關鍵詞：聚丙烯PP管塑料通風管 PP風管 PP管材 PP方管 PP阻燃管 PP通風管 PP管 PP成型管

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PP管材隔聲性能及連接工藝

作者：admin 編輯：admin 來源：未知 2022-07-18 13:41

PP管材隔聲性能及連接工藝

由丙烯和少量其它的單體共聚的PP稱爲共聚PP，共聚PP可以減少聚丙烯高分子鏈的規整性，從而減少PP的結晶度，達到提高PP韌性的目的。共聚聚丙烯又分爲嵌段共聚聚丙烯和無規共聚聚丙烯PP-R管，PP具有******的韌性和抗溫度變形性能，能耐95℃以上的沸水、低溫脆化溫度可降至零下15℃，是制做熱水管的******材料。如果用的時間較久，被破壞鍍鋅層的風道應除鏽刷鍍鋅漆。

全部角鐵法蘭支托吊架刷樟丹兩遍，明露部分刷漆顔色要和裝修顔色協調，明裝不保溫的塑料管表面刷調和漆兩道，顔色根據周圍裝修顔色配套使用。PP管材和設備的支吊架及基礎上的鋼制構件，均應在除垢後，塗防鏽底漆兩道，裸露部分應再塗面漆兩道。PP管材還要求保溫層粘接緊密、無氣泡、無翹角現象發生，玻璃絲布纏裹緊密，防火塗料塗刷均勻，只有PP管材的保溫與防腐措施做到位，它的使用壽命才能延長。

PP管材內壁均勻光滑，流動阻力小並且不結垢。PP管材具有******的隔聲性能，可顯著減少由液體流動引起的振動和噪聲。PP管材材料彈性******使得管材截面可隨著凍脹的液體一起膨脹而不會脹裂，PP管材材料爲不***熱導體，可減少結露現象並減少熱損失。在焊接時通過加熱或加壓或兩者並用，並且用或不用填充材料，使工件通過達到原子間或分子間結合力而形成性連接的工藝過程。

PP管材焊接是利用放熱熔劑化學反應作爲熱源，預先把待焊兩工件的端頭固定在鑄型內産生高溫使得工件連接的方式。PP管材焊接要根據管件來決定，如果PP管件是熱熔承插的，就用熱熔器焊接，如果是熱熔對焊的就要用熱熔對焊機焊接。如果PP管材是承插的，就可以用塑料焊槍來焊接。我們在對其搬運、施工中，應該對其加以保護，以此來防止不適當外力造成機械損壞。

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