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| After-sales Service: | Online |
| Warranty: | 5 Years |
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| GCL-NP | Physdical requirements |
| ≥200g/m2 | Mass per unit area of cover layer(polypropylene nonwoven) |
| ≥105g/m2 | Mass per unit area of carrier layer(polypropylene woven) |
| ≥4000g/m2 | Mass per unit area of bentonite layer(sodium bentonite powder) |
| ≥5.0mm | Thickness |
| 24ml/2g | Swell index(bentonite layer) |
| ≤18ml | Fluid loss(bentonite layer) |
| ≥40N/100mm | Peel strength |
| ≤5.10-9cm/min | Permeability/Hydraulic conductivity |
| ≥600N/100mm | Tear strength |
| ≥5.5×30m | Width × length |







| No. | Item | Test Value | ||||||
| 0.75mm | 1.0 mm | 1.25 mm | 1.5 mm | 2.0 mm | 2.5 mm | 3.0mm | ||
| 1 | Minimum Density(g/cm³) | 0.939 | ||||||
| 2 |
Tensile Property | |||||||
| Strength at yield,N/mm | 11 | 15 | 18 | 22 | 29 | 37 | 44 | |
| Strength at break ,N/mm | 20 | 27 | 33 | 40 | 53 | 67 | 80 | |
| Elongation at yield,% | 12 | |||||||
| Elongation at break,% | 700 | |||||||
| 3 | Tear Resistance N | 93 | 125 | 156 | 187 | 249 | 311 | 374 |
| 4 | Puncture Resistance N | 240 | 320 | 400 | 480 | 640 | 800 | 960 |
| 5 | Stress Crack Resistance, hrs | 300 | ||||||
| 6 | Carbon Black Content, % | 2.0-3.0 | ||||||
| Carbon Black Dispersion | 1 or 2 | |||||||
| 7 | Standard OTI Min | 100 | ||||||
| High Pressure OTI Min | 400 | |||||||
| 8 | Impact Cold Crack at -70°C | Pass | ||||||
| 9 | Water vapor permeability (g.cm/cm2 .s.Pa) |
≤1.0×10-13 | ||||||
| 10 | Dimensional Stability (%) | ±2 | ||||||

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