Basic Info.

Product Description

Staple fiber needle punched geotextile products description staple fiber needle punched geotextile is manufactured using short synthetic fabric (polyester fibre, polypropylene fiber) as main materials.the product is formed after the processes of opening,combing,mixing and disordering,lapping and needling. products features 1.excellent drainage performance 2.high strength,excellent tenacity 3.anti-aging,anti-acid and alkali 4.can accommodate irregular deformations 5.creep, corrosion and abrasion resistance 6.safe and easy for construction application range widely used in highway, railway, dam, coastal shoal engineering reinforcement, inverted filter, isolation and drainage. product specifications and technical parameters no. item specification note 100 150 200 250g 300 350g 400 450 500 600 800 1 weight variation% -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 width variation % -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 and td 5 elongation at break % 25~100 6 cbr mullen burst 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 sieve size o90 mm 0.07~0.2 8 vertical permeability coefficient cm/s k× (10-1~10-3) k=1.0-9.9 9 tear strength kn= 0.08 0.12 0.16 0.20 0.24 0.28 0.33 0.38 0.42 0.46 0.6 md and td