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Plastic Waterproofing Dimpled Membrane Drainage Board
HDPE Plastic Dimple Drain Board
The drain board is made of high density polyethylene (HDPE). The surface is equipped with a layer of grid and a layer of non-woven fabric to form a combined drainage board. It has the functions of drainage, waterproof, breathable, moisturizing and root blocking. It is suitable for large square greening and garage roof greening projects with deep soil layer and no water storage function. It can resist long-term high pressure without deformation. This long-term compression resistance can not only withstand the weight and load of the concrete floor, but also withstand the inevitable external pressure and impact during construction, such as the trampling of vehicles, workers and the impact of concrete pouring. Keep the bottom plate from deformation for a long time, so the original drainage can be maintained. The drainage board has only drainage function and is widely used in retaining wall, basement, tunnel, slope protection, platform and expressway subgrade.
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 | |
