HDPE GEOMEMBRANE AND HDPE LINER
Landfill engineering and containment is a task that demands precise planning and the use of materials to prevent chemicals from leaching into the environment. It’s a known fact that poor waste containment can contaminate water and soil quality to lead to poor health. Using HDPE geomembrane and HDPE liner in landfill engineering can significantly reduce this.
Geomembranes are polymeric sheets made of PVC, polyethylene, synthetic rubber, and similar materials. They’re known for their impermeability to control fluid and gas from leaking into environments. They’re mostly used as liners for waste liquids, golf course water holes, water, and waste conveyance canals, and to waterproof rockfill dams, concrete dams, pipelines, and tunnels. This ability to contain fluid and gas makes them fundamental tools in waste management.
Like all man-made materials, in order for geomembranes to be successful waterproof and contain materials, they must be made of high-quality products. Repeated testing and field tests produce accurate readings while an installation by trained and certified personnel ensures that membranes work to full capacity.
Geomembranes vary in chemical resistance, flexibility, and cost depending on what material is used to construct them. Here’s a look at the properties of different grades of plastic and rubber and what they offer.
HDPE LINER AND HDPE GEOMEMBRANE ROLL SIZE AND THICKNESS – KANGAROO
- HDPE LINER 0.75MM | Roll Size: 7m x 280m| Quantity in One Roll: 1960 sqm
- HDPE LINER 1MM | Roll Size: 7m x 210m | Quantity in One Roll: 1470 sqm
- HDPE LINER 1.5MM | Roll Size: 7m x 140m| Quantity in One Roll: 980 sqm
- HDPE LINER 2MM | Roll Size: 7m x 105m| Quantity in One Roll: 735 sqm
- HDPE LINER 2.5MM | Roll Size: 7m x 84m | Quantity in One Roll: 588 sqm
- HDPE LINER 3MM | Roll Size: 7mx 70m | Quantity in One Roll: 490 sqm
HDPE: High-density polyethylene is known for being relatively inexpensive but with good chemical resistance and weld strength. However, it has low puncture resistance, may crack under stress, and has a high degree of thermal expansion.
PVC: Polyvinyl chloride or PVC can have fabricated seams, has good lay-flat behavior, and is easy to seam. Conversely, it doesn’t fare well under high and low temperatures and doesn’t resist UV light well.
fPP-R: fPP-R, a polypropylene, and rubber-based material can be factory fabricated and has sound multiaxial properties. It handles strain well and maintains performance under low and high temperatures. However, chlorinated water and hydrocarbons weaken strength and durability.
GEOMEMBRANE AND HDPE LINER ROLL SIZE AND THICKNESS – ATARFIL
- GEOMEMBRANE LINER 0.75MM | Roll Dimension: Width Comes 6m, 6.30m, and 7.50m, and length is 280m
- GEOMEMBRANE LINER 1MM | Roll Dimension: Width Comes 6m, 6.30m, and 7.50m, and length is 280m
- GEOMEMBRANE LINER 1.5MM | Roll Dimension: Width Comes 6m, 6.30m, and 7.50m, and length is 280m
- GEOMEMBRANE LINER 2MM | Roll Dimension: Width Comes 6m, 6.30m, and 7.50m, and length is 280m
- GEOMEMBRANE LINER 2.5MM | Roll Dimension: Width Comes 6m, 6.30m, and 7.50m, and length is 280m
- GEOMEMBRANE LINER 3MM | Roll Dimension: Width Comes 6m, 6.30m, and 7.50m, and length is 280m
LLDPE: Linear low-density polyethylene is flexible, has a better lay flat, and better multiaxial strain properties compared to HDPE. These benefits are balanced by poorer chemical and UV resistance, benefits offered by HDPE liner suppliers in Dubai.
EPDM: EPDM or ethylene propylene diene monomer is a synthetic rubber known for its sealing characteristics. In geomembranes, it shows good performance in low temperatures, very goof lay-flat behavior and sound resistance to UV light. What it lacks is resistance to oils and hydrocarbons in addition to having less than satisfactory seam quality. Learn more about Swimming Pool pumps.
Butyl rubber: Also a synthetic rubber, butyl rubber shows good resistance to UV light and weathering. Its drawbacks include difficulty seaming, low tear strength, and poor resistance to hydrocarbons.
Irrespective of what type of geomembrane is used, landfill preparation is crucial to deciding how effective liners are. For instance, sharp objects must be removed from the area as even if the membrane resists punctures well, weather conditions and chemicals will cause it to wear down over time.
When combined with geotextiles – plastic fabrics that separate water, waste, and soil – geomembranes see increased resistance to tears and containment. In fact, most landfills lined with membranes are used in conjunction with geotextiles.
Geomembranes are also used in leachate ponds to prevent leachate from seeping into the soil. A drainage system, filters, sumps, and pumps are used and all components including the health of the membranes must be monitored since waste decomposes unevenly, buckles, and distorts pipelines. If proper planning, execution, and maintenance of leachate pond liner Dubai is neglected, not only will waste seep into the soil but gas production will increase.