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composite geomembrane
Specification:
1.one piece geotextile and one piece membrane:
weight of base geotextile :100-1000g/m2, thickness of geomembrane:0.1-1.5mm
2.two piece geotextile and one piece membrane:
Weight of base geotextile:80-600g/m2 ,thickness of geomembrane:0.2-1.5mm
3.one piece geotextile and two piece membrane:
Weight of base geotetile 100-1000g/m2,thickness of geomembrane:0.1-0.8mm
4.Multi-layers
Kinds of membrane:HDPE, LDPE,EVA,CPE,PVC ect.
Properties:
Flexibility is good, exception of a geotextile’s isolation ,drainage,reinforced,protective functions, but also has closed(impermeable)function.
Application:
Widely used in dam,traffic tunnel,road,airport,drainage housing, environmental protection and many other frields,main function is preventing leakage, protection ,reinforcement ect.
Size of package
1-6m width, length 30-100m/roll(or at request)
Package:outer is plastic bag and inner is paper tube or as request
Technical index of short fiber needle-punched non-woven compound geomembrane
project | unit weight(g/m2) | ||||||
400 | 500 | 600 | 700 | 800 | 900 | 1000 | |
thickness of membrane(mm) | 0.25-0.35 | 0.3-0.5 | |||||
breaking strength(KN/m) | 5 | 7.5 | 10 | 12 | 14 | 16 | 18 |
elongation at break(%) | 30-100 | ||||||
CBR mullen burst strength (KN>) | 1.1 | 1.5 | 1.9 | 2.2 | 2.5 | 2.8 | 3 |
tearing strength(KN>) | 0.15 | 0.25 | 0.32 | 0.4 | 0.48 | 0.56 | 0.62 |
peel strength(KN/cm) | 6 | ||||||
permeability coefficient(cm/s) | K*10-11~-13(k=1.0-9.9) | ||||||
Note:the above table is for reference, special sizes are available at customer’s request
composite geomembrane