1.5 Double-sided smooth HDPE geomembrane.pdf
1.5mm Single-texture HDPE geomembrane.pdf
Textured geomembranes offer several advantages over smooth geomembranes, particularly in geotechnical and environmental containment applications:
Increased Friction and Stability: Textured geomembranes feature surface irregularities such as studs, dimples, or ridges, which enhance frictional resistance and interlocking with adjacent materials like soil or aggregate. This improved stability reduces the risk of slippage and enhances overall containment system performance, making textured geomembranes ideal for steep slopes, landfill liners, and other applications where stability is crucial.
Enhanced Geotextile Interface: Textured geomembranes can provide better anchorage and mechanical interlocking with geotextiles, improving their interface and preventing slippage between layers. This ensures a more robust and reliable containment system, particularly in high-stress environments.
Improved Hydraulic Performance: The textured surface of geomembranes can disrupt flow patterns and create turbulence, which reduces the velocity of fluids passing through or over the geomembrane. This enhances hydraulic performance by minimizing the risk of erosion, reducing the potential for uplift pressures, and improving overall containment efficiency.
Puncture and Tear Resistance: The textured surface of geomembranes can provide increased resistance to puncture, tear, and abrasion compared to smooth geomembranes. This is particularly beneficial in applications where sharp objects, abrasive materials, or high mechanical stresses are present, such as in waste containment facilities or industrial storage ponds.
Long-Term Durability: Textured geomembranes are designed to withstand harsh environmental conditions and maintain their performance over time. The surface texture helps to distribute loads more evenly, reducing stress concentrations and extending the service life of the geomembrane.、
Reduced Installation Costs: While textured geomembranes may have a higher initial cost than smooth geomembranes, they can offer long-term cost savings by reducing the need for additional reinforcement or maintenance over the lifespan of the containment system.
Overall, textured geomembranes are well-suited for applications where stability, hydraulic performance, and durability are paramount, offering enhanced performance and longevity compared to smooth geomembranes.
No. | Item | Unit | Index | |||||||
1 | Thickness | mm | 0.75 | 1.00 | 1.25 | 1.50 | 2.00 | 2.50 | 3.00 | |
2 | Density | g/cm3 | ≧0.940 | |||||||
3 | Roughness height | mm | ≧0.25 | |||||||
4 | Tensile yield strength | N/mm | ≧11 | ≧15 | ≧18 | ≧22 | ≧29 | ≧37 | ≧44 | |
5 | Tensile breaking strength | N/mm | ≧8 | ≧10 | ≧13 | ≧16 | ≧21 | ≧26 | ≧32 | |
6 | Yield elongation | % | ≧12 | |||||||
7 | Break Elongation | % | ≧100 | |||||||
8 | Right-angle Tearing strength | N | ≧93 | ≧125 | ≧160 | ≧190 | ≧250 | ≧315 | ≧375 | |
9 | Puncture strength | N | ≧200 | ≧270 | ≧335 | ≧400 | ≧535 | ≧670 | ≧800 | |
10 | Resistance to tensile cracking under extension load | h | - | ≧300 | ||||||
11 | Carbon black content | % | 2.0~3.0 | |||||||
12 | Dispersion of carbon black | - | There is not more than one level 3 in 10 data, and level 4 and level 5 are not allowed to exist. | |||||||
13 | Oxidation induction time | min | Atmospheric pressure OIT≧100 | |||||||
High tension OIT ≧400 | ||||||||||
14 | 850CThermal aging | % | ≧55 | |||||||
15 | Ultraviolet resistance | % | ≧50 | |||||||
Note | Technical performance indicators for thickness specifications not listed in the table are required to be performed by interpolation. |
No. | Item | Unit | Index | ||||||||
1 | Thickness | mm | 0.30 | 0.50 | 0.75 | 1.00 | 1.25 | 1.50 | 2.00 | 2.50 | 3.00 |
2 | Density | g/cm3 | ≧0.940 | ||||||||
3 | Tensile yield strength | N/mm | ≧4 | ≧7 | ≧10 | ≧13 | ≧16 | ≧20 | ≧26 | ≧33 | ≧40 |
4 | Tensile breaking strength | N/mm | ≧6 | ≧10 | ≧15 | ≧20 | ≧25 | ≧30 | ≧40 | ≧50 | ≧60 |
5 | Yield elongation | % | - | - | - | ≧11 | |||||
6 | Break Elongation | % | ≧600 | ||||||||
7 | Right-angle Tearing strength | N | ≧34 | ≧56 | ≧84 | ≧115 | ≧140 | ≧170 | ≧225 | ≧280 | ≧340 |
8 | Puncture strength | N | ≧72 | ≧120 | ≧180 | ≧240 | ≧300 | ≧360 | ≧480 | ≧600 | ≧720 |
9 | Carbon black content | % | 2.0~3.0 | ||||||||
10 | Dispersion of carbon black | - | There is not more than one level 3 in 10 data, and level 4 and level 5 are not allowed to exist. | ||||||||
11 | Oxidation induction time | min | ≧60 | ||||||||
12 | Low temperature impact embrittlement properties | - | Pass | ||||||||
13 | Water vapor permeability coefficient | g.cm/ (cm2.s.Pa) | ≦1.0*10-13 | ||||||||
14 | Dimensional stability | % | ±2.0
| ||||||||
Note | Technical performance indicators for thickness specifications not listed in the table are required to be performed by interpolation. |
If you have questions related to textured geomembrane and smooth geomembrane, you can discuss it with us at any time, and we will be very happy to help you solve the problem. As a prominent geomembrane manufacturer based in China, we specialize in producing a wide range of high-quality geomembranes tailored to meet diverse project requirements. Our product portfolio includes HDPE geomembranes, textured geomembranes, smooth geomembranes, and more, catering to various civil engineering and environmental applications. With years of experience and expertise in the industry, we have established ourselves as a leading manufacturer known for our commitment to quality, innovation, and customer satisfaction. Our state-of-the-art production facilities and stringent quality control processes ensure that our geomembranes meet the highest industry standards, delivering reliable performance and durability in demanding applications.