Geomembrane Liners
Composite geomembrane for traffic tunnels
GeoCover reference GC-P0230
The membrane forms the liquid barrier. Its fabric layer cushions the sheet against the adjacent material. Confirm which face carries fabric and how seams will be exposed for joining.
Product characteristics
- Structure
- Composite
- Listed use
- Tunnels
Technical data
Read each value with its model, unit and test condition. Where several configurations are shown, select the required grade when requesting a quote.
| Parameter | Value |
|---|---|
| Roll length | 50–200 m |
| Thickness options | 0.1–3 mm |
| Colour options | Black, White, Green, Blue |
| Listed composite composition | 50% HDPE / 50% PET |
| Composite mass per unit area | 400–1,500 g/m² |
| Hydraulic conductivity (cm/s) | Defined in the project specification |
| Property | 5 kN/m | 7.5 kN/m | 10 kN/m | 12 kN/m | 14 kN/m | 16 kN/m | 18 kN/m | 20 kN/m |
|---|---|---|---|---|---|---|---|---|
| Breaking strength, longitudinal and transverse (kN/m) | ≥5.0 | ≥7.5 | ≥10.0 | ≥12.0 | ≥14.0 | ≥16.0 | ≥18.0 | ≥20.0 |
| Elongation (%) | 30–100 | 30–100 | 30–100 | 30–100 | 30–100 | 30–100 | 30–100 | 30–100 |
| CBR puncture force (kN) | 1.1 | 1.5 | 1.9 | 2.2 | 2.5 | 2.8 | 3.0 | 3.2 |
| Transverse tear force (kN) | 0.15 | 0.25 | 0.32 | 0.40 | 0.48 | 0.56 | 0.62 | 0.70 |
| Peel strength (N/cm) | ≥0.5 | ≥0.6 | ≥0.8 | ≥1.0 | ≥1.2 | ≥1.4 | ≥1.6 | ≥1.8 |
| Layer configuration | Membrane thickness options |
|---|---|
| One textile layer and one membrane | 0.1–1.0 mm |
| Membrane between two textile layers | 0.2–1.0 mm |
| Textile between two membranes | 0.1–0.8 mm |
Options in this range
These options describe the range. Specify the required configuration when requesting a quote.
- Length
- 50–200 m
- Roll thickness options
- 0.1–3 mm
- Colour options
- Black, White, Green, Blue