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聚乙烯闭孔泡沫板，是国内一种新型的接缝止水材料，经中国交通部科学院等单位反复测试证明，其性能与木材、软木、橡胶、沥青相比，闭孔泡沫塑料板在国外已广泛应用于公路、道桥胀缝、立交桥、高速公路、机场跑路、地道桥、地下通道、地铁、桥头挡阻墙接缝、公路两侧护坡，路基护坡等混凝土工程中的接缝及止水材料，电厂防潮闸、冷却塔、建筑等工程中混凝土接缝、胀缝及止水材料混凝土公路、高架桥梁、涵洞遂道、机场路道、堤坝护坡等水利电力混凝土工程中,也可用作大管径管道的弹性垫层以及渠道的防冻垫层。
Polyethylene closed cell foam board is a new type of water seal material for joints in China. It has been tested repeatedly by the Ministry of communications and the Chinese Academy of communications. It has proved that its performance is much wider than that of wood, cork, rubber and asphalt. It has been widely used in highway, road and bridge expansion joints, overpasses, highways, airport run away, underpass, underground passageway, subway and bridge head retaining wall. Joint, slope protection on both sides of highway, joint and water stop materials in concrete engineering such as subgrade slope protection, moisture gate, cooling tower and construction of power plant, concrete joint, expansion joint and water stop material in concrete highway, viaduct, culvert tunnel, Airport Road, embankment slope protection and other water conservancy and power concrete projects, It can also be used as elastic cushion of large diameter pipeline and antifreeze cushion of channel.
物理特点
Physical characteristics
密度
density
密度小，回复率高，具有独立的气泡结构。
It has low density, high recovery rate and independent bubble structure.
吸水性
Water absorption
表面吸水率低，防渗透性能好。
The surface water absorption rate is low and the impermeability is good.