密度
density
密度小，回复率高，具有独立的气泡结构。
With small density and high recovery rate, it has independent bubble structure.
吸水性
Water absorbency
表面吸水率低，防渗透性能好。
The surface has low water absorption and good anti permeability.
化学特性
chemical properties
酸碱度
PH
耐酸、耐碱、盐、油等有机溶剂腐蚀，耐老化性能优良。
Acid, alkali, salt, oil and other organic solvents corrosion, good aging resistance.
稳定性
stability
高温时不流淌，低温时不脆裂。
It doesn't flow at high temperature, and it doesn't crack at low temperature.
应用范围混凝
Application range coagulation
基本性能
Basic performance
土公路伸缩缝之接缝板；
Joint plate of expansion joint of soil highway;
道桥接缝止水板；
Bridge joint seal plate;
水利工程堤坝、护坝、消力坎、护坡、挡阻墙之伸缩接缝板；
The water conservancy project dam, dam protecting, stilling ridge, slope protection, retaining wall expansion joints plate resistance;
水电、火电、工程、水塔底部止水接缝板；
Watertight joint plate for hydropower, thermal power, engineering and water tower bottom;
建筑用沉降缝、框架结构的填缝板；
Caulking plate for settlement joint and frame structure of building;
生活用水厂及污水处理厂水池止水填缝板；
Water stop and caulking plate for water tank of living water plant and sewage treatment plant;
机场跑道之接缝板；
Joint plate of airport runway;
港口、码头、混凝土之接缝板；
Joint plate for port, wharf and concrete;
水洞、隧道混凝土之过水接缝板；
Water seepage joint plate of water tunnel and tunnel concrete;
地铁、地下通道混凝土止水接缝板
Concrete sealing joint plate for subway and underground passage
物理力学性能
Physical and mechanical properties
表观密度0.05—0.14g/cm3;
The apparent density is 0.05 - 0.14g/cm3;
抗拉强度≥0.15Mpa
The tensile strength is more than 0.15Mpa
抗压强度 ≥0.15Mpa
The compressive strength is more than 0.15Mpa
撕裂强度≥4.0N/mm
The tear strength of more than 4.0N/mm
加热变形≤2.0%
The heating deformation is less than or equal to 2%
吸水率≥0.005g/㎝3
The water absorption rate of more than 0.005g/ cm 3
延伸率≥100%
The elongation rate is more than 100%
硬度（C型硬度计） 40--60邵尔A。度
Hardness (C type hardness tester) 40--60 Shao Er A. degree
压缩永久变形≤3.0%
Compression permanent deformation is less than or equal to 3%
闭孔泡沫塑料板采用高压聚乙烯低发泡闭孔泡沫塑料板，与聚硫密封胶相互作用材料性能无变化。
The closed cell foamed plastic plate is made of LDPE foam with low foaming capacity, and its properties are not changed with polysulfide sealant.
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