由三臺塑料(liao)擠(ji)出機同(tong)步擠(ji)壓復(fu)合，主(zhu)要原材料(liao)為高密度聚乙(yi)烯，芯層為摩(mo)擦系數較(jiao)低的固體潤滑劑硅膠(jiao)質。廣泛(fan)用(yong)于光電(dian)纜通信網絡系統。
硅芯管 外徑為：25 32 36 40 50 63 (mm)
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PE硅芯管
