Ordinary High-density Polyethylene Geomembrane

HDPE Geomembrane

Material：high density polyethylene
Feature：high strength, aging resistance, and good welding performance,
Application Field：in channels, sewage treatment tanks, dock projects, and river embankments Reservoirs, lake dams, subways, landfills, etc
Shipping Method：logistics
Product Category：Geomembrane

Ordinary high density polyethylene (HDPE) geomembrane is a kind of macromolecular waterproof barrier material made by blow molding or calendering process with high density polyethylene resin as raw material, adding appropriate anti-aging agent, carbon black and other auxiliary materials.

Performance

Excellent Impermeability：It has a dense molecular structure and an extremely low permeability coefficient, effectively preventing the leakage of liquids and gases.
Strong Weather Resistance：Resistant to ultraviolet rays and capable of withstanding high and low temperatures (from -60℃ to 60℃), it is not prone to aging or cracking during long-term outdoor use.
Good Mechanical Properties：It has high tensile and tear resistance, can adapt to foundation deformation, and is not easily damaged.
Superior Corrosion Resistance：Resistant to corrosion by chemical media such as acids, alkalis and salts, suitable for scenarios like sewage treatment and chemical industry.
Convenient Construction：It can be spliced by thermal welding with high joint strength, ensuring high construction efficiency and relatively economical cost.

Application

Environmental Protection Sector :

Landfills: Used in bottom liner systems and top capping systems to prevent landfill leachate from contaminating groundwater and soil.
Wastewater Treatment Plants: Impermeable lining for regulating tanks, sedimentation tanks, and anaerobic tanks.
Hazardous Waste Disposal Sites: Secure containment of hazardous materials.

Water Conservancy Projects:

Artificial Lakes, Reservoirs, and Rivers: Prevention of water seepage to conserve water resources.
Dams and Canals: Serves as an impermeable layer.

Specifications

GB/T 17643-2011 GH-1 Technical Specifications

project	indicator
Thickness mm	0.3	0.5	0.75	1	1.25	1.5	2	2.5	3
密度g/cm³	≥ 0.94
Tensile yield strength (longitudinal and transverse) N/mm	≥ 4	≥ 7	≥ 10	≥ 13	≥ 15	≥ 20	≥ 26	≥ 33	≥ 40
Tensile fracture strength (longitudinal and transverse) N/mm	≥6	≥10	≥15	≥20	≥25	≥30	≥40	≥50	≥60
Yield elongation (longitudinal and transverse)%				≥11
Tensile elongation at break (longitudinal and transverse)%	≥600
Right angle tear load (longitudinal and transverse)/N	≥34	≥56	≥84	≥115	≥140	≥170	≥225	≥280	≥340
Anti puncture strength N	≥72	≥120	≥180	≥240	≥300	≥360	≥480	≥600	≥720
Carbon black content%	2.0-3.0
Dispersibility of carbon black	Out of 10 data points, no more than 1 level 3 is allowed, and levels 4 and 5 are not allowed
Atmospheric pressure oxidation induction time (OIT) min	≥60
Low temperature impact embrittlement performance	pass
Water vapor permeability coefficient g · cm/(cm2 · s · Pa)	≤1.0x 10-13
Dimensional stability%	±2