TRST HDPE Smooth Geomembrane is a smooth high-density polyethylene geomembrane manufactured with the highest quality resin which exhibit excellent chemical and UV resistance, impermeability, and high yield and welded seam strengths. It is widely used as the liner.
Mainly used in landfills, wastewater treatment plants, reservoirs, dams, channels, water pools, roads, tunnels, airports, underground projects, submarine projects, anti-seepage liner of desert farmland-building.
| Properties | Min.Value | ||||||
| 0.75mm | 1.00mm | 1.25mm | 1.5mm | 2.00mm | 2.50mm | 3.00mm | |
| Minimal density,g/m3 | 0.939 | ||||||
| Tensile property | |||||||
| Yield strength,N/mm | 11 | 15 | 18 | 22 | 29 | 37 | 44 |
| Break strength,N/mm | 20 | 27 | 33 | 40 | 53 | 67 | 80 |
| Elongation at yied,% | 12 | ||||||
| Elongation at breaking,% | 700 | ||||||
| Tear Resistance,N | 93 | 125 | 156 | 187 | 249 | 311 | 374 |
| Puncture strength,N | 240 | 320 | 400 | 480 | 640 | 800 | 960 |
| Environment stress cracking resistance,hr | 300 | ||||||
| Carbon | |||||||
| Carbon black content,% | 2.0-3.0 | ||||||
| Carbon black dispersity | 9/10 observable region belongs to 1st or 2nd class, and those which belongs to 3rd should be less than 1 | ||||||
| Oxidation induction time (OIT) | |||||||
| Standard OIT, min or | 100 | ||||||
| High pressure OIT,min | 400 | ||||||
| 85℃oven aging 90d,(minimum average) | |||||||
| Renention of standard OIT after baking 90d,% or | 55 | ||||||
| Etention of high pressure OIT after baking 90d,% | 80 | ||||||
| Anti-ultraviolet Resistance | |||||||
| Renention of standard OIT after 1600hrs UV irrading,% | 50 | ||||||
| Renention of high pressure OIT after 1600hrs UV irradiating,% | 50 | ||||||
| Low temperature (-70℃) inpact brittle performance | pass | ||||||
| Stream hydraulic conductivity g·cm/(cm2·s·Pa) | ≦1.0×10-13 | ||||||
| Dimensional stability,% | ±2 | ||||||
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