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Waterproof material of expansive waterstop

author: Jianfeng Engineering from: 原创 date: 2017/7/30 9:00:00 hit: 11437 ℃
Tips: Excellent waterproof sealSuch as the use of water swellable rubber, when water seeping into the end,...

Excellent waterproof seal

pk10开奖结果Such as the use of water swellable rubber, when water seeping into the end, can rely on their own water swelling pressure, compaction of concrete structures, and the pipeline of the bolt gap, blocking the leakage passage, to achieve permanent waterproof effect。

Water swellable rubber is a kind of waterproof material excellent in the majority of members of the design and construction of support and recommendation, over the years, since the waterproof structure of the underground engineering of the reinforced concrete material has been widely used in various categories, its good flexibility, extensibility and expansion of water has been renowned throughout the country。 The water resistance of the material with excellent resistance to chemical durability and weather resistance has been the night service of underground shopping malls, underground garage, underground water diversion project, open caisson, confirmed by the flood wall and many other projects。

Water expansion rubber strip

Water swellable rubber is a kind of special material with water expansion function to hydrophilic polyurethane material and rubber mixing process。 When soaked in water, because there are a large number of hydrophilic group in polyurethane (CH2 CH2-O), the water and the number of the many groups can be combined with hydrogen the polymer, intermolecular forces weakened, resulting in rubber volume increases, due to hydrogen bonding interactions, so that the water molecules are closely held, even in the mechanical compression to attract, the water can not be extruded out, but the water swelling effect is reversible。


  

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