HDPE geomembrane (also known as impermeable film).its thickness of 0.2-3mm,the thickness of 0.8mm above also known as waterproof plate.It is a kind of waterproof barrier material with high quality polyethylene primary resin as the basic raw material.The main component is 97.5% high density polyethylene and about 2.5%
| National standard for polyethylene film GB/T17643-2011 | |||||
Thickness mm | 0.5 | 0.75 | 1.0 | 1.25 | 1.5 | 2.0 |
Tensile yield strength (vertical and horizontal) N/mm | ≥7 | ≥11 | ≥15 | ≥18 | ≥22 | ≥29 |
Tensile breaking strength (vertical and horizontal) N/mm | ≥13 | ≥20 | ≥27 | ≥33 | ≥40 | ≥53 |
Elongation at break (vertical and horizontal) % | ≥700 | |||||
Right angle tear strength (vertical and horizontal) N/mm | ≥62 | ≥93 | ≥125 | ≥160 | ≥190 | ≥250 |
Puncture strength N | ≥160 | ≥240 | ≥320 | ≥400 | ≥480 | ≥640 |
Carbon black content % | 2.0-3.0 | |||||