万巢专业建筑工程用PVC-U电工套管是建筑电气安装工程中保护并保障电线或电缆布线的管道，用于电线或电缆的穿入与更换。电工套管管材及管件是以聚氯乙烯树脂为主要原料，添加特殊助剂，经挤出和注塑加工而成的穿线管材及管件，具有抗压力，耐腐蚀，防虫害、阻燃、绝缘等优异性能，施工中还具重量轻、运输安装方便、施工快捷等优点，主要用作电气、通讯线缆套管。

　　PVC-U electrical sleeve used in Wanchao professional construction engineering is a conduit to protect and protect the wiring of wires or cables in the construction electrical installation engineering, which is used for the penetration and replacement of wires or cables. The electrical casing pipes and pipe fittings are the threading pipes and pipe fittings made of PVC resin as the main raw material, adding special additives, and processed by extrusion and injection molding. They have excellent properties such as pressure resistance,corrosion resistance, pest prevention, flame retardance, insulation, etc. they are also light in weight, convenient in transportation and installation, and quick in construction, and are mainly used as electrical and communication cable casings.