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專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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給水用涂塑螺旋鋼管制造廠家

日期:2021-03-01

給水涂塑螺旋鋼管產品實行市場準入制度管理,然而從目前市場的運行情況來看,消防用涂塑鋼管管的生產、銷售沒有按照消防產品市場準入制度來進行,產品質量參差不齊、市場價格混亂、甚至假冒偽劣產品充斥市場。消防噴淋涂塑復合管消防專用內外涂塑鋼管消防噴淋管用涂塑復合鋼管通常采用熱塑性(PE)和熱固性(EP)兩大防腐型類粉末。

給水用涂塑螺旋鋼管制造廠家

熱塑性樹脂特點是隨著溫度的升高而變軟,冷卻后變得堅硬,且這個過程可反復進行多次。熱固性樹指特點是低聚合度的預聚體樹脂,加入適量的固化劑在一定溫度下烘烤固化,形成能溶化或熔融的質地堅硬的終產物。其具有綜合特點,即有鋼管的高強度、高延伸性、低溫脆性好、膨脹系數小,又有塑料管耐腐蝕、耐磨損、流體阻力小等點,屬于種新型的給排水、防腐綠色大口徑管,被國內各行業越來越廣泛的采用。

涂塑復合鋼管是在鋼管內壁融溶一層厚度為1.0mm的聚乙烯(PE)樹脂、乙烯、丙烯酸共聚物(EAA)、環氧(EP)粉末、聚丙烯(PP)或聚氯乙烯(PVC)等有機物而構成的鋼塑復合型管材,它不但具有鋼管的高強度、易連接、耐水流沖擊等點,還克服了鋼管遇水易腐蝕、污染、結垢及塑料管強度不高、消防性能差等缺點,設計壽命可達年。

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