Specifications: construction filter fabric 1.Material: PET 2.Width: 1m - 4.3m 3.Weight: 200-600 g/m2 4.Colour: white construction filter fabric The product has the property of anti-aging, high strength, good flexibility and permeability, filtration, isolation and easy construction etc. It is widely used in areas of the railway, highway, sport venue,dyke,water project construction, tunnel,sea beach,inning... Packing size:Width:1-4.3m, Length:50-100m Technical specification of shot fiber needle punched non woven geotextile: No. Item Specification Note Mass per square meter g/m2 100 150 200 250 300 350 400 450 500 600 800 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 CD 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 090 mm 0.07 ~ 0.2 8 Vertical Permeability Coefficient cm/s k× (0.1 ~ 0.001) 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 CD Needle punched geotextile after treatment method Singeing, Calendar,Heat-setting, the film cover,steep glue setting. Shell membrane surface treatment construction filter fabric polyester non woven geotextile