SIGMA HDPE geomembrane is a smooth, impermeable high density polyethylene liner produced to the GRI-GM13 standard. Made from virgin polyethylene resin with carbon black, antioxidants and UV stabilizers, this HDPE liner delivers low permeability, chemical resistance and a long service life for pond lining, landfill, dam and secondary containment. Stocked from 0.75 mm (30 mil) to 3.0 mm (120 mil), it ships in welded rolls direct from our factory.
SIGMA HDPE geomembrane is a smooth high density polyethylene liner produced to the GRI-GM13 specification. Each roll is extruded from virgin polyethylene resin compounded with carbon black, antioxidants and UV stabilizers, so the finished HDPE membrane is impermeable, UV-resistant and built for a long service life. Compared with concrete or compacted clay, this high density polyethylene geomembrane is more cost-effective, safer and far faster to deploy on site.
Good physical and mechanical performance, high tear resistance and strong deformation adaptability let the liner conform to irregular subgrades without failing. It resists corrosion, ageing and a wide temperature range, and is non-toxic for aquaculture and potable water. With a complete range of widths and thicknesses, this HDPE geomembrane liner stays low cost and easy to install — hot-wedge welded into a continuous watertight barrier in the field.
We supply the geomembrane sheet from 0.75 mm (30 mil) up to 3.0 mm (120 mil), with a 1.25 mm (50 mil) grade available on request. Thinner 30 mil and 40 mil HDPE liner suits decorative ponds and HDPE lining for water tank work; 60 mil and 80 mil HDPE geomembrane is the workhorse for landfill liner, dam liner and secondary containment; 1.5 mm and 2 mm HDPE liner handles aggressive containment and heavy hydraulic head. As an HDPE pond liner it is widely used for fish pond, farm pond, canal lining, wastewater lagoons and water treatment systems. See the full HDPE geomembrane range for other grades and surfaces.
Rolls are unrolled over a prepared, compacted subgrade and joined into one continuous, watertight barrier by hot-wedge (dual-track) welding, with extrusion welding used around pipes, corners and other details. HDPE liner welding seams are then air-pressure or vacuum tested before backfilling, and anchor trenches secure the perimeter. Because the high density polyethylene liner has strong deformation adaptability, it conforms to slopes and irregular ground without splitting, which keeps installation fast and the finished lining reliably anti-seepage.
Beyond pond and reservoir lining, this HDPE geomembrane is specified for solid waste landfill liner and capping, tailings and sewage dams, canal and channel lining, and the anti-seepage lining of tunnels, subways and basements. It is also used for dike and dam foundation seepage prevention, cofferdam construction, roadbed saline-seepage control and roofing waterproofing. The same impermeable HDPE liner serves as HDPE lining for RC tank and water tank projects and across water treatment systems, giving engineers one durable barrier material for very different sites.
As an HDPE geomembrane manufacturer and supplier we sell direct from the factory, so you deal with the people who extrude the liner rather than a trader. HDPE geomembrane sheet price tracks thickness, roll width and order volume; tell us the grade (for example 60 mil or 2 mm), total area and destination port and we return an ex-works quote quickly. Wholesale HDPE liner volumes ship in welded rolls suited to sea freight, and we can advise thickness selection so you are not over-specifying. For pond-specific guidance see our HDPE pond liner page.
Smooth HDPE Geomembrane — properties by nominal thickness, per GRI-GM13 (Rev. 16, March 17, 2021).
| Property | Test Method | Unit | 0.75 mm (30 mil) | 1.0 mm (40 mil) | 1.5 mm (60 mil) | 2.0 mm (80 mil) | 2.5 mm (100 mil) | 3.0 mm (120 mil) |
|---|---|---|---|---|---|---|---|---|
| Thickness (min. avg.), lowest of 10 readings | ASTM D5199 | % of nominal | −10% | −10% | −10% | −10% | −10% | −10% |
| Density (min.) | ASTM D1505 / D792 | g/cm³ | 0.940 | 0.940 | 0.940 | 0.940 | 0.940 | 0.940 |
| Tensile — strength at yield | ASTM D6693 (Type IV) | kN/m (lb/in) | 11 (63) | 15 (84) | 22 (126) | 29 (168) | 37 (210) | 44 (252) |
| Tensile — strength at break | ASTM D6693 (Type IV) | kN/m (lb/in) | 20 (114) | 27 (152) | 40 (228) | 53 (304) | 67 (380) | 80 (456) |
| Tensile — elongation at yield | ASTM D6693 (Type IV) | % | 12 | 12 | 12 | 12 | 12 | 12 |
| Tensile — elongation at break | ASTM D6693 (Type IV) | % | 700 | 700 | 700 | 700 | 700 | 700 |
| Tear resistance (min.) | ASTM D1004 | N (lb) | 93 (21) | 125 (28) | 187 (42) | 249 (56) | 311 (70) | 374 (84) |
| Puncture resistance (min.) | ASTM D4833 | N (lb) | 240 (54) | 320 (72) | 480 (108) | 640 (144) | 800 (180) | 960 (216) |
| Stress crack resistance (min.) | ASTM D5397 (App.) | hr | 500 | 500 | 500 | 500 | 500 | 500 |
| Carbon black content (range) | ASTM D4218 | % | 2.0–3.0 | 2.0–3.0 | 2.0–3.0 | 2.0–3.0 | 2.0–3.0 | 2.0–3.0 |
For decorative and fish ponds a 0.75–1.0 mm (30–40 mil) HDPE pond liner is common; farm ponds and water reservoirs usually step up to 1.0–1.5 mm (40–60 mil). Landfill liner, dam liner and secondary containment typically specify 1.5–2.0 mm (60–80 mil) HDPE geomembrane. Tell us the application and hydraulic head and we will recommend a thickness.
Yes. Every roll of our smooth HDPE geomembrane is produced to the GRI-GM13 (Rev. 16) standard specification for high density polyethylene geomembranes, with tensile, tear, puncture and durability values that meet or exceed the table above when tested by the designated ASTM methods.
HDPE liner price depends mainly on thickness (30 mil vs 60 mil vs 2 mm), roll width and order volume. As a manufacturer we quote ex-works per square metre or per roll; send us the thickness, total area and destination port and we will return an HDPE geomembrane price the same business day.
Rolls are deployed over a prepared, compacted subgrade and joined with hot-wedge (dual-track) welding, with extrusion welding around details and penetrations. Seams are air-pressure or vacuum tested. The liner conforms to slopes and irregular ground; anchor trenches secure the perimeter.
Yes. The geomembrane is made from non-toxic virgin polyethylene resin, so it is suitable as an HDPE fish pond liner and for potable water reservoirs and water treatment systems. It is also resistant to corrosion, ageing and a wide temperature range for a long service life.
As an HDPE geomembrane manufacturer we are set up for project and wholesale HDPE liner volumes rather than single rolls, so larger areas give the best ex-works price per square metre. Send us your total area, thickness and roll width and we will confirm the minimum order quantity and the most economical roll size for your job.
Lead time depends on thickness, total area and current production schedule. Because we extrude the high density polyethylene liner in house we can give you a firm production and shipping schedule once the thickness, area and destination port are confirmed in the quote.
Yes. The geomembrane ships in welded rolls packed for sea freight and exported direct from our factory. Give us the destination port with your thickness and area and we will quote ex-works and advise on container loading for your wholesale HDPE liner order.
Tell us quantity, destination port, and any questions — we reply within one business day.
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