LDPE Geo membrane Liners for Dams
Properties
1.Lightness |
2.Flexibility |
3.Puncture Resistance |
4.Deformability, Conformability to the soil. |
5.Weldability, Seamability |
6.Low Co-efficient of Thermal Expansion |
7.Critical friction angle |
8.Ageing and weathering |
9.Inert material |
10.Non-toxic |
\Applications
• bottom seals for communal landfills• capping of communal landfills• cesspools / tanks used to retain industrial and agriculture waste waters• insulation of reserve tanks foundations• insulation of car parks, petrol stations, motorways to prevent groundwater contamination• protection against leakage of water from lakes, seas, river slopes, river canals, drinking
water tanks and utility water tanks• irrigation canals, weir and dam insulation• insulation of tunnels, bridges, viaducts etc.• insulation for construction industry
Technical Parameter (GB/T 17643—1998)
Number | Item | Value | ||||||
GL | GH | |||||||
GL-1 | GL-2 | GH-1 | GH-2 | |||||
1 | Tensile strength ( Mpa ) | ≥14 | ≥17 | ≥25 | ||||
2 | Elongation (%) | ≥400 | ≥450 | ≥550 | ||||
3 | Right angle tear strength N/mm | ≥50 | ≥80 | ≥110 | ||||
4 | Carbon black content of a % | ≥2 | ||||||
5 | Environmental stress cracking F20/h |
---- |
---- |
---- | ≥1500 | |||
6 | Oxidation induction time at 200 °C/min |
---- |
---- |
---- | ≥20 | |||
7 | Water vapor permeability g.cm/(cm2.s.Pa) | ≤1.0×10-16 | ||||||
8 | -70°CEmbrittlement of low-temperature impact | (Passed) | ||||||
9 | Dimensional Stability (%) | ±3 | ||||||
LDPE Geo membrane Liners for Dams