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No-Woven Geotextile

Non-woven geotextiles are manufactured by entangling fibers, both long and short, together through either needle punching or other suitable methods. In some instances, thermal treatment is used to improve further the tensile of the geotextile. Because of this manufacturing process, alongside their permeability, non-woven geotextiles are typically used in drainage applications, separation, filtration as well as protection.

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    What is Non-Woven Geotextile?

    Non-Woven Geotextiles are permeable fabrics that, when used in association with soil, can separate, reinforce, protect, or drain. Typically made from polypropylene or polyester, geotextile fabrics come in three basic forms: woven (resembling mail bag sacking), needle punched (resembling felt), or heat bonded (resembling ironed felt). A woven geotextile is manufactured from continuous filaments or strips of synthetic material which are woven together to form a uniform sheet.

    A non-woven geotextile has a very uniform pore size which varies under load making it less suitable for filtering anything other than clean single-sized soils/fills.

    Applications

    • Irrigation ponds, canals, ditches & water reservoirs
    • Gravel Driveway, drainage, road construction.
    • Landfill cells, covers, & caps

    Testing Standard

    • GRI GM 6/9/11/13/14/19
    • ASTM D792/D1004/D1238/D1505/D1603/D3895
    • ASTM D4218/D4833/D5199/D5397/D5596

    Difference between Woven and Non-Woven

    woven vs no woven Geotextile

    Woven Geotextile

    • 1. Constructed from interlaced yarn, polypropylene, or other fibers
    • 2. Semi-impermeable lower flow-through rate
    • 3. High tensile strength and load capacity
    • 4. Great for Stabilization and Reinforcement Applications

    Non-Woven Geotextile

    • 1. Typically made of needled punched synthetic fibers
    • 2. Permeable with higher drain through flow rate
    • 3. Measured by weight, commonly referred to as ounces/sq. yard
    • 4. Excellent for drainage, separation, and filtration applications

    Technical Specification

    QSM: 100-800g. Material: High-quality PET. Price from $0.5 SQM

    Short Fiber Non Woven Geotextile
    GSM100150200250300350400450500600800
    Mass Deviation Per Unit Area ( % )-8-8-8-8-7-7-7-7-6-6-6
    Thickness ≥(mm)0.91.31.72.12.42.733.33.64.15
    Width Deviation(%)-0.5
    Elongation At Break25-100
    CBR Brushing Strength ≥(KN)0.30.60.91.21.51.82.12.42.73.24
    Breaking Strength ≥(KN)2.54.56.589.51112.514161925
    Vertical Permeability Coefficient (CM/S)Kx(10^-1-10^-3) K=1.0-9.9
    Tearing Strength≥(KN)0.080.120.160.20.240.280.330.380.420.460.6
    Long Fiber Non Woven Geotextile
    GSM100150200300400500600800
    Mass Deviation Per Unit Area ( % )-6-6-6-5-5-4-4-4
    Thickness ≥(mm)0.81.21.62.22.83.44.25.5
    Width Deviation(%)-0.5
    GSM Deviation (%)-5
    Longitudinal And Transverse Breaking Strength ≥(KN)4.57.5101520253040
    Longitudinal And Transverse Elongation %40-80
    Vertical Permeability Coefficient (CM/S)Kx(10^-1-10^-3) K=1.0-9.9
    Tearing Strength≥(KN)0.170.280.350.490.630.770.911.25

    Technical Notes

    Woven Geotextile is a very technical product to work with. It must be installed by certified welding technicians using specialized welding equipment to ensure performance.

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