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HDPE 20mm Drainage Board for landscape project
The Dimple Drainage Sheet is a type of green roof systems which are drained by a special molding plastic sheets. Water is retained within dimple on the upper sides of the drainage plates; excess water spills over the edges of the plates and is carried off the roof.
The Hdpe Dimple Drainage Sheet are made from HDPE(high-density polyethylene), using high pressure to inject plastic to form hole-lump-shaped shell, with stereo space and support level; in the top of the shell, covering with non-woven as filtering level for water percolation, water storage and water drainage.
Product Description
"Tinhy" HDPE drainage board has the good performance in water discharging and storing.
The special design could provide the oxygen for plants.
The board could be interconnected at your own disposal.
It is an indispensable basic material in the gardening project.
It has been widely used in roof green, underground parking lot, urban plaza, golf field, sport field, partition,wastewater treatment, plant, balcony and so on.
Product Specification
nub height: 8mm 12mm 16mm 20mm
Technical Data
No. |
Testing Item |
Unit |
National Standard |
||
1 |
Neat edge, no cracks, nicks, mechanical damage. |
||||
2 |
Each volume can not be more than one joint. |
||||
3 |
Tensile strength |
MD |
N/100mNm |
≥350 |
|
CD |
|||||
4 |
Maximum |
MD |
N/100mm |
≥600 |
|
CD |
|||||
5 |
Elongation breaking |
MD |
% |
≥25 |
|
CD |
|||||
6 |
Tear strength |
MD |
N |
≥100 |
|
CD |
|||||
7 |
Compression performance |
Maximum intensity at 20%) |
kPa |
≥150 |
|
Limit compression |
No rupture |
||||
8 |
Low temperature |
-40ºC No cracks |
Number | Item Name | |||||||
1 | Material Type | HDPE | HDPE | HDPE | HDPE | HDPE | HDPE | HDPE |
2 | HDPE Average Thickness (mm)≥ | 0.50 | 0.70 | 0.80 | 1.00 | 1.20 | 1.50 | 1.8 |
3 | Weight (g/m2)≥ | 650 | 850 | 1000 | 1200 | 1250 | 1350 | 2000 |
4 | dimple height(mm) | 6mm,8mm,10mm | 6mm,8mm,10mm,12mm,16mm,20mm | |||||
5 | Roll (Width x Length) | 3mX20m | 3mX20m | 3mX20m | 3mX20m | 3mX15m | 3mX15m |
Number | Item Name | 1.0/12mm | ||||||
1 | Unit Weight g/m2 ≥ | 650 | 700 | 800 | 1000 | 1200 | 1400 | 2000 |
2 | Max Tensile Strength N/10cm ≥ | 350 | 450 | 550 | 600 | 600 | 600 | / |
3 | Compressive Load KPa ≥ | 200 | 300 | 300 | 300 | 300 | 300 | 350 |
4 | Elongation at Crack % | 25 | 25 | 30 | 40 | 40 | 40 | |
5 | Longitudinal Flow Capacity cm3/cm s ≥ | 5.60 | 5.60 | 7.20 | 7.20 | 10.0 | 12.5 | 21.5 |
6 | Puncture Strength N ≥ | 300 | 320 | 350 | 400 | 400 | 400 | / |