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Plastic dimple drainage mat board

HDPE water drainage board also call plastic drainage sheet is a type of green roofing and foundation driange systems which are drained by a special molding plastic sheets. Water is retained and drained off within dimple on the upper sides of the drainage board; excess water spills over the edges of the plates and is carried off from the roof or foundations.
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  • Plastic Grainage Board

  • Zhongloo

HDPE Plastic Dimple Drain Board

Drainage Board with dimple is made from high density polyethylene plastic and it is a kind of geomembrane with dimples on the surface. The dimples can be in cylinder and semi cone shape. It could also be coated by non woven geotextile. The liquid and gas can go through freely between dimples.



Technical parameter


Plastic drainage board
item
Specification
Tension at 10% elongation (N/100mm) ≥
350
Maximum pulling force (N/100mm) ≥
600
Elongation at break /% ≥
25
Tear performance/N ≥
100
Compression performance
Maximum strength when compression rate is 20%/KPa ≥
150
Extreme compression performance
No break
Low temperature flexibility
-10℃ no cracks
Heat aging
Tensile retention at 10% elongation≥
80
Maximum tensile retention rate/(N/100mm) /% ≥
90
Elongation at break retention rate /% ≥
70
Maximum strength retention rate when the compression rate is 20% ≥
90
Extreme compression performance
No break
Low temperature flexibility
-10℃ no cracks
Longitudinal water flow (test pressure 150KPa) (cm²/s) ≥
10




Feature

1. Drainage cell has the functions of building layer drainage, discharging soil infiltration water and storing part of infiltration water.

2. Drainage cell can store water and is conducive to the growth of vegetation.

3. Drainage cell has good compressive strength.

4. Convenient construction, simple maintenance and economic.

5. Drainage cell has Strong load resistance and durability.

6. Ensure that excess water can be quickly drained away.

7. Drainage cell can provide sufficient water and oxygen for plant growth.

8. Lightweight and strong roof insulation.



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