雙(shuang)壁(bi)(bi)(bi)纖(xian)(xian)維網(wang)(wang)鋼骨(gu)架(jia)復(fu)合管以聚乙(yi)烯(PE)樹脂為原材料(liao),采(cai)用(yong)雙(shuang)層共擠工藝成(cheng)型(xing)為內壁(bi)(bi)(bi)藍色(se)、外(wai)(wai)壁(bi)(bi)(bi)黑色(se)的內層“凹(ao)”形中空板(ban)帶,用(yong)鍍鋅鋼帶軋制成(cheng)型(xing)為“Ω”形的鋼骨(gu)架(jia)機(ji)械卡扣在(zai)“凹(ao)”形中空板(ban)帶中作為主要支撐結(jie)構,外(wai)(wai)壁(bi)(bi)(bi)用(yong)纖(xian)(xian)維網(wang)(wang)(玄武(wu)巖纖(xian)(xian)維或玻璃纖(xian)(xian)維)增強的復(fu)合聚乙(yi)烯層,使用(yong)纏繞成(cheng)型(xing)工藝,加工制成(cheng)內壁(bi)(bi)(bi)平直光滑、外(wai)(wai)壁(bi)(bi)(bi)呈螺旋波紋狀的雙(shuang)壁(bi)(bi)(bi)纖(xian)(xian)維網(wang)(wang)鋼骨(gu)架(jia)復(fu)合管(簡稱“DFSP”管道)。