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儀表電纜

低煙無鹵電纜是什么電纜?

2022-07-20
作者:翊成網絡z

低煙,即降低了在燃燒時有害物體的產生,鹵素是一種有毒氣體,無鹵就是沒有毒氣體的釋放,主要是針對電纜遇火災而言。低煙無鹵電力電纜又稱為環保電纜,低煙無鹵阻燃電纜大多數用于醫院和對環境衛生要求比較嚴格的地方。


低煙無鹵電纜價格


其中,含鹵阻燃電纜的絕緣層、護套、外護層及輔助材料(包帶及填充)全部或部分采用含鹵的聚乙烯(PVC)阻燃材料,具有良好的阻燃特性。但是,在電纜燃燒時會釋放大量的濃煙和鹵酸氣體,鹵酸氣體對周圍的電氣設備有腐蝕性危害,救援人員需要帶上防毒面具,才可以接近現場進行滅火。

電纜燃燒時給周圍電氣設備以及救援人員造成危害,不利于滅火救援工作,從而導致嚴重的“二次危害”。而低煙無鹵電纜的絕緣層、護套、外護層以及輔助材料(包帶及填充)全部或部分采用不含鹵的交聯聚乙烯(XLPE)阻燃材料,不僅具有更好的阻燃特性,而且在電纜燃燒時沒有鹵酸氣體放出,電纜的發煙量也小,發煙量接近于公認的“低煙”水平。


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