Product Description Model NO.: EltMembrane-HCDG Function: Waterproof Dimensional Stability %: +-2 Product Name: Drainage Board HDPE Composite Dimple Geomembrane Specification: CE HS Code: 5911900000 Material: HDPE Type: Composite Dimple Geomembrane Low Tempreture Impact Brittle Property: -35 Crack-Free Bending Trademark: elite-indus Origin: Anhui Cheap price Drainage Board HDPE Composite Dimple geomembrane

1, Drainage Board HDPE Composite Dimple Geomembrane Introduction

 Composite drainage board is a dimple geomembrane, which produced by extruding plastic sheet into dimple shape. 

These dimples, in spatial structure with certain height, can resist long-term high pressure without deformation. 

On the top of the dimples, there is filtration Geotextile to make sure the drainage channel runing well without any block for any articles, for example, filling particles or concrete. 
 
2, Drainage Board HDPE Composite Dimple GeomembraneTypical application: 
 
1. Landscape engineering: Garage top greening, roof garden, football field, golf course, 
beach project. 

2. Municipal engineering: Road base, subway, tunnel, landfill. 

3. Construction engineering: Upper or bottom layer of building foundation, basement wall, 
bedding filtration and heat insulation. 

4. Traffic engineering: Highway, railway basement, dam and slope.

Composite Dimple geomembrane
NO.	Item Name	Technical requirements
		H10-1.0	H20-1.0	H10-1.5	H20-1.5	H10-2.0	H20-2.0
1	Tensile  strength  N/<5cm>         ≥	400	400	500	500	700	700
2	Elongation at break  %            ≥	200	200	300	300	400	400
3	Dimensional  strength  Mpa     ≥	400	320	450	370	500	420
4	Dimensional stability %	±2
5	Low tempreture impact brittle property	-35 crack-free bending
6	Longitudinal  flow  capacity cm3/s( hydraulic pressure 5Kpa)	5.6	8.6	5.6	8.6	5.6	8.6
7	Longitudinal  flow  capacity cm3/s( hydraulic pressure 350Kpa)	15.2	18.2	15.2	18.2	15.2	18.2

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