PET Needle Punched Nonwoven Geotextile
Introduction:
Staple fibers needle punched geotextiles is a kind of composite geomaterial with good permeability which is punctured using composite fiber. Cloth-like product has the general width of 4-6 meters and a length of 50-100 meters.
The product has excellent permeability, acquired, durability, which can be widely used in railway, highway, movement hall, DAMS, hydraulic structures, hence hole, coastal shoal, reclamation, environmental protection and other projects. Basically have nonwoven geotextile and electricity crack membrane silk weaving geotextile.
Feature:
UV resistant
High temperature resistance to up to 230C maintaining structure stability and original physical properties
High flat drainage and vertical permeability
High creep resistance
Resistance of erosion of chemicals in soil as well as the corrosion of gasoline and diesel etc
High elongation under certain stress, thus able to adapt to uneven and irregular bases
Parameter:
| Serial number | Item\index\ specification | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 800 | Remark |
| 1 | Mass-area ratio deviation, % | -8 | -8 | -8 | -8 | -7 | -7 | -7 | -7 | -6 | -6 | -6 | |
| 2 | Thickness, mm≥ | 0.9 | 1.3 | 1.7 | 2.1 | 2.4 | 2.7 | 3.0 | 3.3 | 3.6 | 4.1 | 5.0 | |
| 3 | Amplitude, deviation,% | -0.5 | |||||||||||
| 4 | Breaking strength, KN/m ≥ | 2.5 | 4.5 | 6.5 | 8.0 | 9.5 | 11.0 | 12.5 | 14.0 | 16.0 | 19.0 | 25.0 | MD CD |
| 5 | Breaking elongation,% | 25~100 | |||||||||||
| 6 | CBR bursting strength, KN≥ | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3.2 | 4.0 | |
| 7 | Equifinal aperture mm | 0.07~0.2 | |||||||||||
| 8 | Vertical permeability coefficient, cm/s | K x(10-1~10-3 ) | K=1.0 ~9.9 | ||||||||||
| 9 | Ripping strength, KN≥ | 0.08 | 0.12 | 0.16 | 0.20 | 0.24 | 0.28 | 0.33 | 0.38 | 0.42 | 0.46 | 0.60 | MD CD |
Application:
Filtration of soils in drainage applications by retaining soil particles while allowing for the free flow of water
Separation and stabilization in road and railway construction
Prevention of soil movement in erosion control measures
Cushioning and protection in many containment projects
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