由中国建筑科学研究院建筑防火研究部、张家港市卫生设备厂、北京建材供应公司共同研制的硬质阻燃可弯塑料电线套管是一种新型电器配套产品。该产品采用PVC树脂,添加改性剂及加工助剂经挤出成型制成。具有外形美观,绝缘、阻燃性能好,力学强度高,耐化学性强等特点。其突出的优点是 The hard flame-retardant bendable plastic wire bushing jointly developed by the Building Fire Research Department of the Chinese Academy of Building Research, Zhangjiagang Sanitary Equipment Factory and Beijing Building Material Supply Company is a new type of electrical accessory product. The product is made of PVC resin, added with modifiers and processing aids through extrusion molding. With beautiful appearance, insulation, flame retardant performance, high mechanical strength, strong chemical resistance and so on. Its outstanding advantages are