HDPE土工膜,复合土工膜
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无毒环保养殖专用膜生产厂家就到泰岳土工

发布日期:[2013/4/8 11:43:55]    来源:山东泰岳土工材料有限公司    点击:4016

    无毒环保养殖专用膜,主要是乳白色半透明至不透明的热塑性树脂材料-聚乙烯树脂制作而成。聚乙烯是高分子聚合物,是无毒、无味、无臭的白色颗粒,熔点约为110℃-130℃,相对密度0.918—0.965;土工膜具有良好的耐热性和耐寒性。化学稳定性好,具有较高的刚性和韧性,机械强度好,耐环境应力开裂与耐撕裂强度性能好,随着密度的上升,机械性能和阻隔性能会相应提高,耐热,和抗拉强度也更高;可耐酸、碱、有机溶剂等腐蚀。
    土工纺织品基本上是合纤而不是棉、毛、丝等天然纤维制成,不存在生物降解问题。这种柔性多孔织物,可随机叠放或用非织造方式,也有用针织品。GRI估计已开发了80余种专用的土工纺织品,包括用于海岸河道和防汛抗洪、垃圾填埋和污泥治理、排水系统和淤泥封拦、侵蚀控制、挡土墙体、斜坡构筑和园林设施等。
    土工合成材料减轻风化水蚀侵害和结构的稳定性土工纺织品占土工合成材料需求量的最大份额HDPE土工膜,达75%,营业额为11亿美元,它是渗透性纺织材料,和泥土石块一起用于建筑基础,增强结构的稳定性和减轻风化水蚀侵害。
    由于土工纺织品具有隔离土壤、增强土质、过滤、排水和阻断湿气等优越性,正越来越多地替代砾石、沙土集料、玻璃纤维和其它用材。

    Breeding of special non-toxic green geomembrane, environmental experts strongly recommend Jiantong geomembrane, the geomembrane standard name for polyethylene geomembrane, is milky white, translucent to opaque thermoplastic resin material - polyethylene resin produced. Polyethylene is a high molecular polymer, is non-toxic, tasteless white particles, odorless, melting temperature is about 110 ℃ -130 ℃, the relative density of 0.918 - 0.965; geomembrane has good heat resistance and cold resistance. Good chemical stability, high rigidity and toughness, good mechanical strength, resistance to environmental stress cracking and tearing strength performance is good, as the density increases, the mechanical properties and barrier properties are increased, heat resistant, and the tensile strength is higher; could be acid, alkali, organic solvents and other corrosive.
   Geotechnical textile basically is made of natural fiber synthetic fiber instead of cotton, wool, silk, there is no biological degradation problems. This flexible porous fabric, can be randomly stacked or non-woven, useful also knitwear. GRI is estimated to have developed more than 80 kinds of special geotechnical textiles, including for coastal and river flood control, landfill and sewage treatment, drainage system and the sludge containment, erosion control, retaining wall, slope construction and garden facilities etc..
   Geosynthetics reduce weathering stability of soil erosion damage and textile structure accounted for geosynthetics demand is the largest share of HDPE geomembrane, reached 75%, turnover of $1100000000, it is the permeability of textile materials, and mud stone for building foundation, stability enhancement structure and reduce the weathering erosion damage.
Because of geotechnical fabrics with soil, reinforced soil, filtration separation, drainage and blocking the superiority of moisture and so on, are increasingly replacing gravel, sand aggregate, glass fiber and other materials.

 

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