Plastic Drainage Board/compound Dimple Waterproof
2018-9-3 · Dimple Drain board is the use of foundation or blow molding method to produce high density polyethylene (HDPE) geomembrane, pressed on geomembrane pressure after the special craft the closed swelled the frustum of a cone shape, having a three-dimensional space and some support stiffness, liquid, gas can flow excreted within its plate.
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