Hdpe double smooth geosynthetic membrane is combined of 97.5% high density polyethylene material and about 2.5% carbon black and other material.
Product Parameter
| Thickness | 0.25mm | 0.35mm | 0.5mm | 0.75mm | 1.0mm | 1.25mm | 1.5mm | 2.0mm |
| Density g/m2 | ≥0.94 | |||||||
| Tensile yield strength (N/mm) | 3.75 | 5 | 7.5 | 11 | 15 | 18 | 22 | 29 |
| Tensile breaking strength (N/mm) | 6.75 | 19 | 13.5 | 20 | 27 | 33 | 40 | 53 |
| Elongation at yield(%) | ≥12 | |||||||
| Elongation at break(%) | ≥700 | |||||||
| Puncture strength(N) | 80 | 150 | 160 | 240 | 320 | 400 | 480 | 640 |
| Angle tear load | 31.25 | 45 | 62.5 | 93 | 125 | 160 | 190 | 250 |
| Carbon black content(%) | 2.0-3.0 | |||||||
| 85℃ aging after 90 days high pressure | 55 | |||||||
| Properties | Test | Test Value | Testing Frequency | |||||||
| Method | 30 mils | 40 mils | 50 mils | 60 mils | 80 mils | 100 mils | 120 mils | (minimum) | ||
| Thickness (min. ave.) | D5199 | nom. | Nom. | Nom. | Nom. | Nom. | Nom. | Nom. | Per roll | |
| · lowest individual of 10 values | -10% | -10% | -10% | -10% | -10% | -10% | -10% | |||
| Density mg/l (min.) | D 1505/D 792 | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 0.940 g/cc | 200,000 lb | |
| Tensile Properties (1) (min. ave.) | D 6693 | 20,000 lb | ||||||||
| Yield strength | Type IV | 63 lb/in. | 84 lb/in. | 105 lb/in. | 126 lb/in. | 168 lb/in. | 210 lb/in. | 252 lb/in. | ||
| Break strength | 114 lb/in. | 152 lb/in. | 190 lb/in. | 228 lb/in. | 304 lb/in. | 380 lb/in. | 456 lb/in. | |||
| Yield elongation | 12% | 12% | 12% | 12% | 12% | 12% | 12% | |||
| Break elongation | 700% | 700% | 700% | 700% | 700% | 700% | 700% | |||
| Tear Resistance (min. ave.) | D 1004 | 21 lb | 28 lb | 35 lb | 42 lb | 56 lb | 70 lb | 84 lb | 45,000 lb | |
| Puncture Resistance (min. ave.) | D 4833 | 54 lb | 72 lb | 90 lb | 108 lb | 144 lb | 180 lb | 216 lb | 45,000 lb | |
| Stress Crack Resistance (2) | D5397 | 300 hr. | 300 hr. | 300 hr. | 300 hr. | 300 hr. | 300 hr. | 300 hr. | per GRI-GM10 | |
| (App.) | ||||||||||
| Carbon Black Content (range) | D 4218 (3) | 2.0-3.0% | 2.0-3.0% | 2.0-3.0% | 2.0-3.0% | 2.0-3.0% | 2.0-3.0% | 2.0-3.0% | 20,000 lb | |
| Carbon Black Dispersion | D 5596 | note (4) | note (4) | note (4) | note (4) | note (4) | note (4) | note (4) | 45,000 lb | |
| Oxidative Induction Time (OIT) (min. ave.) (5) | 200,000 lb | |||||||||
| (a) | Standard OIT | D 3895 | 100 min. | 100 min. | 100 min. | 100 min. | 100 min. | 100 min. | 100 min. | |
| — or — | ||||||||||
| (b) High Pressure OIT | D 5885 | 400 min. | 400 min. | 400 min. | 400 min. | 400 min. | 400 min. | 400 min. | ||
| Oven Aging at 85°C (5), (6) | D 5721 | |||||||||
| (a) Standard OIT (min. ave.) - % retained after 90 days | D 3895 | 55% | 55% | 55% | 55% | 55% | 55% | 55% | per each | |
| — or — | formulation | |||||||||
| (b) High Pressure OIT (min. ave.) - % retained after 90 days | D 5885 | 80% | 80% | 80% | 80% | 80% | 80% | 80% | ||
| UV Resistance (7) | D 7238 | |||||||||
| (a) Standard OIT (min. ave.) | D 3895 | N.R. (8) | N.R. (8) | N.R. (8) | N.R. (8) | N.R. (8) | N.R. (8) | N.R. (8) | per each | |
| — or — | formulation | |||||||||
| (b) High Pressure OIT (min. ave.) - % retained after 1600 hrs (9) | D 5885 | 50% | 50% | 50% | 50% | 50% | 50% | 50% | ||
Appications
HDPE Geomembrane recommend thickness of application
1, Aquaculture (including fish pond, shrimp pond, seaweed farming etc. )
normally use 0.25mm~0.5mm
2, Agriculture( including lotus farming, reservoir, drinking water tank, irrigation system etc.) normally use 0.5mm~1.0mm
3, Landscape (including artificial lake, river, slop protection, greening waterproof etc.) normally use 0.5mm~1.0mm
4, Water conservancy ( including dam anti-seepage, strengthen etc.)
normally use 0.75mm~1.5mm
5, Roof anti-seepage ( roof planting, roof waterproof, roof garden waterproof etc.)
normally use 0.5mm~1.0mm
6, Underground anti-seepage ( including traffic, subway and roadway’s foundation strengthen, workshop waterproof)
normally use 0.5mm~1.0mm
7, Environmental protection (including landfill, sewage treatment work, power regulating reservoir, industrial and hospital solid waste)
normally use 1.0mm~2.0mm
8, Petrochemical ((including refinery plant, chemical reaction camera, inner liners of setting tank, secondary liner etc. )
normally use 0.5mm~1.0mm
9, Mining (including Washing tank, ash yard, dissolution tank, sedimentation tank, bottom anti-seepage of tailings etc.)
normally use 1.0mm~2.0mm
