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Ldpe geomembrane liner
LDPE geomembrane liner adopts low density polyethylene film as basic impervious material, with geotechnical cloth as water conducting layer, through two stages extrusion, three rollers calendering coiled material. Its density is 0.916 – 0.930 g/cm3.
Product Description
Description of ldpe geomembrane liner
Ldpe geomembrane liner, which are called low-density polyethylene membrane, also known as LDPE geomembrane, are mainly made of milky white translucent to opaque white thermoplastic resin material – polyethylene resin. Fish Farm Pond Liner is a high molecular polymer, non-toxic, odorless, odorless white particles, the product has good heat resistance and cold resistance.
Good chemical stability, high rigidity and toughness, good mechanical strength, good resistance to environmental stress cracking and tear strength. As the density increases, the mechanical properties and barrier properties of lake liners will increase accordingly, heat resistance, and tensile strength. The strength of lake liners are also higher which can resist corrosion by acid, alkali, organic solvent, etc.
Specification of ldpe geomembrane liner
| No. | item | value | |
| 1 | Breaking tensile strength Mpa ≥ | 18 | |
| 2 | Breaking elongation% ≥ | 650 | |
| 3 | Tear strength KN/m ≥ | 100 | |
| 4 | Impemeability 0.3 Mpa 24h | no leakage | |
| 5 | Bending at low temperature ℃ ≤ | -35 | |
| 6 | tetch tsnsor at heating㎜ | Elongation ≤ | 2 |
| Shrink≤ | 6 | ||
| 7 | Air oven aging（80℃×168 h） | Tensile strength at break Mpa ≥ | 16 |
| Breaking elongation % ≥ | 600 | ||
| 8 | Anti-alkaline(saturatln solution of Ca(OH)2X168h) | Tensile strength at break Mpa ≥ | 17 |
| Breaking elongation % ≥ | 600 | ||
| 9 | Nature weathing at manual simulation | Tensile strength at break retained %≥ | 80 |
| Breaking elongation retained% ≥ | 70 | ||