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Description:
1. YHSY BM is a waterproofing membrane comprising of a Geosynthetic Clay Liner (GCL) composite made from high quality polypropylene geotextiles and a premium grade sodium bentonite granules.
2. BM is fully fibre-reinforced by fully needle-punching across the full length and width of the product.
3. BM has a two micron PE (Polyethylene) sheet backing bonded to the geotextile.
4. This product is designed for use in situations requiring protection against contaminated or saline water.
5. BM has more bentonite granules per m2.
Technical Properties:
| Item | Value | Test Method | |
1 | Non woven geotextile cover layer (g/m2) | 210 | ASTM D5261 | |
2 | Bentonite layer (g/m2) | 5500 | ASTM D-5993 | |
3 | Woven geotextile layer (g/m2) | 110 | ASTM D5261 | |
4 | PE Membrane thickness, (mm) | >=0.20 |
| |
5 | Bentonite expansion coefficient, (ml/2g) | >= 24 | ASTM D5890 | |
6 | Thickness (mm) | 6 | ASTM D 5199 | |
7 | Peeling Resistance (N/10cm) | Non-woven and woven fabric | >=60 | ASTM D4632 |
PE membrane and non-woven | >=40 | ASTM D4632 | ||
8 | Hydraulic conductivity, k-value (Permeability) (m/s) | 4.5 x10-12 | ASTM D5084 | |
9 | Water loss (ml) | <=18 | ASTM 5891 | |
10 | Width(m) | 2,3,6 |
| |
11 | Length (m) | 20,30 |
| |
Fibre Reinforced Geosynthetic Clay Liner Waterproofing Bentonite Membrane