亚洲成AV人片一区二区小说

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土工膜廠家,土工布廠家,長絲布廠家,隧道防水板

GCL series
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GCL series

GCL construction site

GCL installed underground water (seepage) Engineering having a long-term, self-enclosed, simple construction, environmental protection, cost-effective features. Swelling bentonite particles in the additive, the formation of a homogeneous colloidal system permeation coefficient 10-9cm / s, and fill the entire space in artificially limiting force, to make waterproof blanket expanded from disorder to order, continued the swelling a result, the water reached the dense blanket itself, which has a waterproof effect. Some bentonite particles in a certain large pressure directly into the soil around the fine under the fine cracks and fissures in the concrete structure of water-swellable, further ensuring the underground waterproof barrier properties.
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