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    如何區分電線電纜的"國標"和"非標"?

    來源:www.discuz365.com 發布時間:2020-02-19 返回

      如何區分電線電纜的"國標"和"非標"?云南電線電纜的小編建議您一看、二試、三稱重、四比價格、五看銅質,六質量檢測,六招見分曉。


      一看:要看電線電纜產品有無質量體系認證書,看合格證是否規范,看有無廠名、廠址、檢驗章、生產日期,看電線電纜上是否印有商標、規格、電壓等。還要看電線銅芯的橫斷面,優等品紫銅顏色光亮、色澤柔和,否則便是次品。


    如何區分電線電纜的"國標"和"非標"?


      二試:可取一根電線電纜頭用手反復彎曲,凡是手感柔軟、抗疲勞強度好、塑料或橡膠手感彈性大且電線電纜絕緣體上無裂痕的,就是優等品。


      三稱重量:質量好的電線電纜,一般每100m重量都在規定的重量范圍內。如常用的截面積為1.5mm2的塑料絕緣單股銅芯線,每100m重量為1.8-1.9kg;2.5mm2的塑料絕緣單股銅芯線,每100m重量為3-3.1kg;4.0mm2的塑料絕緣單股銅芯線,每100m重量為4.4-4.6kg等。質量差的電線電纜重量不足,要么長度不夠,要么電線電纜銅芯雜質過多。


      云南電線電纜廠家指出,如果是特別大規格的電線電纜,稱重量的土辦法是較能體現電纜是否含銅量達標和導體截面,是否足標的較簡單的方法,一般有偷銅做小截面的電纜,如果電線電纜的含銅量經過稱重達不到我國規定允許誤差的重量范圍內,基本可認定為非標。
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