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膨润土防水毯是-种新型土工合成材料，它是由-层粘土或其它低渗透性矿物材料外覆土工织物或外墙防水膜，依据针扎或缝线的的方式制作而成的的生态环境环保生态环境软型外墙防水原材料，只能根据施工需用，还会在外墙防水毯上粘覆HDPE膜，以适用特殊的的环境的要，超过变得更加好的防水层效用。
Geosynthetic Clay Liners are high performance needle punched environmental reinforced composites which combine two durable geotextile outer layers with a uniform core of natural sodium bentonite clay to form a hydraulic barrier. For diferent projects,it can combine HDPE liner for better waterproof.
膨润土防雨毯密切利用于拉圾填埋处理场的，勘探，水渠，河堤，河湖等防渗漏工作。Geosythetic Clay Liners are widely used in waste landfill capping and cutoff walls to contain pollution,mining base seals, canal and dam liners, lakes and other waterproofing projects.
膨润土防水毯技术指标Geosynthetic Clay Liners Technical Data
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指标英文 Test properties |
国家行业标准JG/T 193-2006 National standard JG/T 193-2006 |
单位规范 Enterprise Standard |
检侧原则 Inspection standards |
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膨润土膨涨指数 Geosynthetic Clay Expansion index |
≥24 m/2g | ≥25ml/2g | ASTM D5890 |
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单位名称户型面积线质量Mass Per Unit Area(g/m2) |
≥4800 g/m2 | ≥4800 gm2 | ASTM D5993 |
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伸展密度Tensile Strength |
≥6KN/m | ≥8KN/m | ASTM4632 |
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极大负担下伸展率 Maximum load elongation |
≥10% | ≥10% | ASTM4632 |
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参透因子Permeability |
≤5x10-9 | ≤5x10-9 | ASTMD5084 |
|
水分含量率Mois ture content |
≤15% | ≤15% | ASTMD4643 |
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脱离密度Peel strength |
≥40N | ≥65N | ASTM D4632 |
|
耐静通水压力Hydrostatic pressure |
0.4Mp | 0.4~0.6Mp | ASTMD5891 |
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