Description HDPE Geomembrane is called”High Density Polyethylene membrane”,which is made out of High Density Polyethylene,compund with carbon,anti-aging agent, antioxidantm, stabilizer and etc,proceed by Multi-layer coextrusion technology.It is specially designed for underground engineering constructions with international advanced technology, it can bind the later cast concrete form a firm structure.
-Low density polyethylene Geomembrane(LDPE)
-High density polyethylene membrane(HDPE）and EVA
-Specification: Width:2m or customized
Feature (1)Long service life:it has excellent resistance of degrading ability and impermeability,
especially HDPE geomembrane has excellent anti-ageing and anti-ultraviolet,could be used outside,the material has long life and provide a good assurance for seepage control.
(2)Strong chemical resistance, resistant to alkali water from concrete, resistant to household refuse and organism, mould resistant and corrosion resistant.
(3)Good flexibility:various laying method could satisify different construction requirement, hot melting is availabl,the welding seam has good strength,easy construction,quick and environmental protection
(4)Excellent impermeability:the seepage coefficient is lower than clay with 4-5 magnitude order.
|NO||Test Item||LDPE Geomembrane||HDPE Geomembrane||EVA|
|2||Elongation at break（rectilinear）(%)||≧400||≧400||≧550||≧600|
|3||Right angle tear strength(N/mm)||≧50||≧80||≧110||≧90|
|4||Water vapor permeability coefficient(g.cm/cm.s.pa)||≦1.0*10-16||≦1.0*10-16||≦1.0*10-16||≦1.0*10-16|
|6||Environment stress cracking resistance(F20.h)||-||-||≧1500||-|
|7||200℃ oxidation induction time(min)||-||-||≧20||-|
Widely used for all kinds of basement,sewage treatment project,tunnels,highway, air raid shelter,artificial lake, dam, water conservancy project,water reservoir, grain storehouse,waste treatment plant and etc.
-Canal seepage proofing, vertical cut-off wall,slop protection.
-Planting roof, roof garden,sewage seepage control engineering.
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