Introduction to long-silk geocloth 　　It has high strength and powerful prick resistance ability. 　　PH resistant, erosion resistant, antimicrobial and age resistant. 　　It has excellent drainage property, filterability, soil-saving performance. 　　Low cost, convenient construction and application.

Testing index Items Specification   100 150 200 250 300 350 400 450 500 600 800 Note Quality error in unit area% -6 -6 -6 -5 -5 -5 -5 -5 -4 -4 -4 　 Thickness mm.≥ 0.8 1.2 1.6 1.9 2.2 2.5 2.8 3.1 3.4 4.2 5.5 　 Width error.% -0.5 Breaking strengthKN/m≥ 4.5 7.5 10.0 12.5 15.0 17.5 20.5 22.5 25.0 30.0 40.0 Length and width Elongation at break≤(%) 40-80 CBR bursting strength KN≥ 0.8 1.4 1.8 2.2 2.6 3.0 3.5 4.0 4.7 5.5 7.0 　 Effective aperture090(095)mm 0.07-0.2 　 Vertical permeability coefficient cm/s Kx(10-4-10-3),K=1.0-9.9 K＝1.0-9.9 Tearing strength, KN≥ 0.14 0.21 0.28 0.35 0.42 0.49 0.56 0.63 0.70 0.82 1.10 Length and width